That depends what the pattern of the sequence is.
It is the sequence of first differences. If these are all the same (but not 0), then the original sequence is a linear arithmetic sequence. That is, a sequence whose nth term is of the form t(n) = an + b
no
3
If the first two numbers are 0, 1 or -1 (not both zero) then you get an alternating Fibonacci sequence.
That depends what the pattern of the sequence is.
a + 99d where 'a' is the first term of the sequence and 'd' is the common difference.
It is the sequence of first differences. If these are all the same (but not 0), then the original sequence is a linear arithmetic sequence. That is, a sequence whose nth term is of the form t(n) = an + b
the first 4 terms of the sequence which has the nth term is a sequence of numbers that that goe together eg. 8,12,16,20,24 the nth term would be 4n+4
no
3
4,8,12,16,20
If the first two numbers are 0, 1 or -1 (not both zero) then you get an alternating Fibonacci sequence.
The first four terms are 3 9 27 81 and 729 is the 6th term.
It is a + 8d where a is the first term and d is the common difference.
27
nth term is 8 - n. an = 8 - n, so the sequence is {7, 6, 5, 4, 3, 2,...} (this is a decreasing sequence since the successor term is smaller than the nth term). So, the sum of first six terms of the sequence is 27.