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.

A363603 Expansion of e.g.f. (1/4)*(exp(x)-x-1)*(exp(x)-1)^2.

Table of values

n a(n)
4 3
5 20
6 90
7 343
8 1197
9 3966
10 12720
11 39941
12 123651
13 379132
14 1154790
15 3501219
16 10581465
17 31908218
18 96068700
19 288926977
20 868288239
21 2608010424
22 7830584850
23 23505386015
24 70544469573
25 211692128950
26 635198021640
27 1905845723133
28 5718057263067

List of values

[3, 20, 90, 343, 1197, 3966, 12720, 39941, 123651, 379132, 1154790, 3501219, 10581465, 31908218, 96068700, 288926977, 868288239, 2608010424, 7830584850, 23505386015, 70544469573, 211692128950, 635198021640, 1905845723133, 5718057263067]