You first have to figure out some rule for the sequence. This can be quite tricky.
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The single number 37111519 does not comprise a sequence.A single number such as 37111519 does not constitute a sequence and so there can be no nth term.
Whether the sequence is increasing or decreasing makes no difference. The only difference is that the common difference d will be a negative number.
The formula used to find the 99th term in a sequence is a^n = a^1 + (n-1)d. a^1 is the first term, n is the term number we wish to find, and d is the common difference. In order to find d, the pattern in the sequence must be determined. If the sequence begins 1,4,7,10..., then d=3 because there is a difference of 3 between each number. d can be quite simple or more complicated as it can be a function or formula in of itself. However, in the example, a^1=1, n=99, and d=3. The formula then reads a^99 = 1 + (99-1)3. Therefore, a^99 = 295.
A single number, such as 8163264, does not form a sequence.
a nth term in a sequence is more easy then u think first find a sequence lets say like 1,5,9,13,17 all u do is find what you add to the number to get the next and to make sure its right all the way through just do the last one so this sequence is add 4 simple