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.

A383323 Expansion of e.g.f. (1+x)*(exp(x)-1)*(exp(x)-x)*(exp(x)-x^2/2).

Table of values

n a(n)
0 0
1 1
2 5
3 16
4 59
5 251
6 890
7 3270
8 12269
9 45793
10 167360
11 596036
12 2070755
13 7041087
14 23517590
15 77417074
16 251879897
17 811815485
18 2596707692
19 8255064768
20 26112370895
21 82260512731
22 258263585090
23 808543518254
24 2525239747781
25 7870664327961
26 24487769002520
27 76069664095420
28 235979863263419

List of values

[0, 1, 5, 16, 59, 251, 890, 3270, 12269, 45793, 167360, 596036, 2070755, 7041087, 23517590, 77417074, 251879897, 811815485, 2596707692, 8255064768, 26112370895, 82260512731, 258263585090, 808543518254, 2525239747781, 7870664327961, 24487769002520, 76069664095420, 235979863263419]