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.

A129273 G.f.: 1-q = Sum_{k>=0} a(k)*q^k * Faq(k+1,q)^2, where Faq(n,q) is the q-factorial of n.

Table of values

n a(n)
0 1
1 -1
2 2
3 -7
4 26
5 -95
6 344
7 -1256
8 4654
9 -17470
10 66234
11 -253192
12 974992
13 -3778966
14 14729200
15 -57683066
16 226806148
17 -894791874
18 3540105138
19 -14039128725
20 55786507642
21 -222047783006
22 885073034920
23 -3532110787193
24 14110281656038

List of values

[1, -1, 2, -7, 26, -95, 344, -1256, 4654, -17470, 66234, -253192, 974992, -3778966, 14729200, -57683066, 226806148, -894791874, 3540105138, -14039128725, 55786507642, -222047783006, 885073034920, -3532110787193, 14110281656038]