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.

A370085 Expansion of e.g.f. exp( Sum_{k>=1} (3*k)! * (x/6)^k/k ).

Table of values

n a(n)
0 1
1 1
2 21
3 3421
4 2232361
5 4047831801
6 16492042429501
7 131524059703672021
8 1862832637043775536721
9 43582296764832433769579761
10 1592318494850388661944336320101
11 86870590496672779178378519636679501
12 6822481321458299127004125050236325798521

List of values

[1, 1, 21, 3421, 2232361, 4047831801, 16492042429501, 131524059703672021, 1862832637043775536721, 43582296764832433769579761, 1592318494850388661944336320101, 86870590496672779178378519636679501, 6822481321458299127004125050236325798521]