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.

A377966 Expansion of e.g.f. (1+x)^2 * exp(x*(1+x)^3).

Table of values

n a(n)
0 1
1 3
2 13
3 85
4 621
5 5131
6 48553
7 500613
8 5590105
9 67453651
10 868300581
11 11854859413
12 171122864773
13 2598083998875
14 41331779697601
15 687151457132101
16 11904595227392433
17 214378528158055843
18 4004773210169606845
19 77459628036613435221
20 1548502062887370346141

List of values

[1, 3, 13, 85, 621, 5131, 48553, 500613, 5590105, 67453651, 868300581, 11854859413, 171122864773, 2598083998875, 41331779697601, 687151457132101, 11904595227392433, 214378528158055843, 4004773210169606845, 77459628036613435221, 1548502062887370346141]