Alan7
(Alan)
1
How to write the expression for an arithmetic sequence, and what are the precautions and rules?
Japhy
(Japhy)
2
Hi Alan,
The formula has to reference the sequence itself with S[...] — X isn’t
defined, which is why it faults. For an arithmetic sequence stepping by 2:
S[n-1]+2
With Initial at 1 and Count at 10 that gives you 1, 3, 5, 7, 9…