cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A127926 G.f.: 1-q = Sum_{k>=0} a(k)*q^k*Faq(k+1,q), where Faq(n,q) is the q-factorial of n.

Table of values

n a(n)
0 1
1 -1
2 1
3 -2
4 4
5 -7
6 11
7 -18
8 35
9 -76
10 166
11 -358
12 775
13 -1686
14 3638
15 -7716
16 16108
17 -33349
18 69022
19 -143605
20 301179
21 -636932
22 1355855
23 -2896168
24 6186750
25 -13183426
26 27988755
27 -59197443
28 124824911
29 -262699256
30 552438175
31 -1162010894
32 2446434685
33 -5156873960

List of values

[1, -1, 1, -2, 4, -7, 11, -18, 35, -76, 166, -358, 775, -1686, 3638, -7716, 16108, -33349, 69022, -143605, 301179, -636932, 1355855, -2896168, 6186750, -13183426, 27988755, -59197443, 124824911, -262699256, 552438175, -1162010894, 2446434685, -5156873960]