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.

A354311 Expansion of e.g.f. exp( x/2 * (exp(2 * x) - 1) ).

Table of values

n a(n)
0 1
1 0
2 2
3 6
4 28
5 160
6 1056
7 7784
8 63568
9 569664
10 5542240
11 58038112
12 650045760
13 7746901760
14 97790608384
15 1302349549440
16 18235836899584
17 267663541270528
18 4107395264113152
19 65739857693144576
20 1095095457262013440
21 18949711553467957248
22 340036076121127395328

List of values

[1, 0, 2, 6, 28, 160, 1056, 7784, 63568, 569664, 5542240, 58038112, 650045760, 7746901760, 97790608384, 1302349549440, 18235836899584, 267663541270528, 4107395264113152, 65739857693144576, 1095095457262013440, 18949711553467957248, 340036076121127395328]