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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.

A355407 Expansion of the e.g.f. log((1 - x) / (1 - 2*x)) / (1 - x)^4.

Table of values

n a(n)
0 0
1 1
2 11
3 110
4 1154
5 13144
6 164136
7 2251920
8 33923760
9 560180160
10 10117886400
11 199399132800
12 4275988617600
13 99473802624000
14 2502049379558400
15 67804022648678400
16 1972357507107993600
17 61358018782620672000
18 2033893411878730752000
19 71587670846333773824000
20 2666700362750370895872000

List of values

[0, 1, 11, 110, 1154, 13144, 164136, 2251920, 33923760, 560180160, 10117886400, 199399132800, 4275988617600, 99473802624000, 2502049379558400, 67804022648678400, 1972357507107993600, 61358018782620672000, 2033893411878730752000, 71587670846333773824000, 2666700362750370895872000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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