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.

A355285 Expansion of e.g.f. 1 / (1 + x + x^2/2 + x^3/3 + log(1 - x)).

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 6
5 24
6 120
7 720
8 7560
9 76608
10 810432
11 9141120
12 118015920
13 1666336320
14 25211774016
15 404932155264
16 6951992261760
17 127203705538560
18 2467434718218240
19 50477473338494976
20 1086707769452699904
21 24573149993692615680
22 582367494447600583680
23 14430857455114783119360

List of values

[1, 0, 0, 0, 6, 24, 120, 720, 7560, 76608, 810432, 9141120, 118015920, 1666336320, 25211774016, 404932155264, 6951992261760, 127203705538560, 2467434718218240, 50477473338494976, 1086707769452699904, 24573149993692615680, 582367494447600583680, 14430857455114783119360]