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6, 10, 6, 10, 6, 10, . . .

-2, 2, 6, 10, 14, 18, . . .

2.16, 3.6, 6, 10, 162/3, 277/9, . . .

Q: What is a number sequence where the 3rd term is 6 and the 4th 10?

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37. The difference between the 1st and 2nd term is 5, the difference between the 2nd and 3rd term is 6, the difference between the 3rd and 4th term is 7, etc. The next term is +9 from the last term given.

The 40th number in the sequence will be 40 x 4, or 160.Reasoning:Because the sequence is multiples of 4.The 1st number in the sequence is 1 x 4, or 4.The 2nd number in the sequence is 2 x 4, or 8...The 4th number in the sequence is 4 x 4, or 16...The 17th number in the sequence is 17 x 4, or 68

1 1 2 3 5 etc start with 1 and 1 and to get the 3rd term 1+1 = 2 add 2nd and 3rd term to get 4th --- 1 + 2 = 3 add 3rd and 4th term to get the 5th --- 2 + 3 = 5 etc

If the sequence is 205, 306, 427 then a possible 4th number is 568. The initial difference between 205 and 306 is 101, which increases by 20 at each step. 306 → 427 = 121 : 427 → 568 = 141

You could consult the Online Encyclopedia of Integer Sequences, but it does not have this sequence. http://www.research.att.com/~njas/sequences/ Note: the mathematical term "series" refers to a sum. The series is 3 + 16 + 6 +... In mathematics, a list of numbers like that is referred to as a "sequence." Also, while your question does not explicity state this, the meaning of your sentence should be "what is the next most likely number..." as many different sequences start out with the same terms. Try checking 1,2,3, at the OEIS, and you'll see a large number of possibilities for the 4th term. However, to address your particular sequence, here's a technique that is sometimes used: Consider the following two sequences: 1,2,3,4,5,6,7... 5,10,15,20,25,... Now consider the sequence 1,5,2,10,3,15,4,20,... If you work your sequence backwards, you'll see that this technique will lead to a possible answer.

Related questions

3

Around the 3rd or 4th sequence

The sequence of numbers representing the number of new bends after each iteration in the Koch Curve is 4, 16, 64, and 256. This is because at each iteration, each segment of the curve is divided into four smaller segments, creating more bends.

th (1st, 2nd, 3rd, 4th)

No, but it can represent the probability of such an outcome.

The 40th number in the sequence will be 40 x 4, or 160.Reasoning:Because the sequence is multiples of 4.The 1st number in the sequence is 1 x 4, or 4.The 2nd number in the sequence is 2 x 4, or 8...The 4th number in the sequence is 4 x 4, or 16...The 17th number in the sequence is 17 x 4, or 68

37. The difference between the 1st and 2nd term is 5, the difference between the 2nd and 3rd term is 6, the difference between the 3rd and 4th term is 7, etc. The next term is +9 from the last term given.

1 1 2 3 5 etc start with 1 and 1 and to get the 3rd term 1+1 = 2 add 2nd and 3rd term to get 4th --- 1 + 2 = 3 add 3rd and 4th term to get the 5th --- 2 + 3 = 5 etc

68

no there just wasemt a limit till after his 4th term

If the sequence is 205, 306, 427 then a possible 4th number is 568. The initial difference between 205 and 306 is 101, which increases by 20 at each step. 306 → 427 = 121 : 427 → 568 = 141

You could consult the Online Encyclopedia of Integer Sequences, but it does not have this sequence. http://www.research.att.com/~njas/sequences/ Note: the mathematical term "series" refers to a sum. The series is 3 + 16 + 6 +... In mathematics, a list of numbers like that is referred to as a "sequence." Also, while your question does not explicity state this, the meaning of your sentence should be "what is the next most likely number..." as many different sequences start out with the same terms. Try checking 1,2,3, at the OEIS, and you'll see a large number of possibilities for the 4th term. However, to address your particular sequence, here's a technique that is sometimes used: Consider the following two sequences: 1,2,3,4,5,6,7... 5,10,15,20,25,... Now consider the sequence 1,5,2,10,3,15,4,20,... If you work your sequence backwards, you'll see that this technique will lead to a possible answer.