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Q: What is the next number in the sequence 1 6 12?

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25 is the next number that appears in that sequence.

12

If the last number is 1/3 (it should be), the next number is 5 and 1/3

The sequence indicates that one number is added to the previous number to find the value of the next number. Example 1 (+0) - 1 (+1) - 2 (+1) - 3 (+2) - 5 (+3) - 8 (+5) - 13. The next number in the sequence would be 21 (13 + 8).

This is a sequence of perfect squares. 12=1, 22=4, 32=9, 42=16, 52=25. The next number is 62=36.

The next number in the sequence is 15. The pattern is as follows: from 1 to 6 is +5, from 6 to 9 +4, from 9 to 12 +3, from 12 to 14 +2, and then from 14 to the answer (15) +1.

The sequence is generated using cubes, or n^3. The next number in the sequence will be 4^3, or 256.

The next number is 4, followed by -2

16 is the next squared number.

Seems to be a '+1, +2' sequence, so 12 would be next.

1

12

Fibonacci found a way to present mathematical numbers so that each number in the sequence is the sum of the two previous numbers. For example, if the sequence starts at 0 and 1, then next number in the sequence is 1, the next number would be 2, and then the next number would be 3, and then 5.

You are multiplying each number in the sequence by -2. Therefore, the next number in the sequence after 32 is -64.

For an integral sequence the next number is 6 (add 5 subtract 7 pattern).

The next number in the sequence is... 64

If you mean: 1, 2, 4, 8 and 16 then the next number is 32

There does not appear to be a missing number. The sequence is n2 + 1. 12 + 1 = 2 : 22 + 1 = 5 : 52 + 1 = 26 : 262 + 1 = 677. The next number in the sequence is 6772 + 1 = 458330.

0.1

8

The next number in the sequence is 18. It's +1, +2, +3, +4, ....

This is a geometric sequence. Each number is multiplied by the same constant, to get the next number. If you divide any number by the previous one, you can find out what this constant is.

1

The next number in this sequence is 13112221.

2264. The number is next in the sequence defined by t(n) = (244*n3 - 1449*n2 + 2819*n - 1578)/3 for n = 1, 2, 3, ...