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.

A305986 Expansion of e.g.f. Product_{k>=1} 1/(1 - (exp(x) - 1)^k/k).

Table of values

n a(n)
0 1
1 1
2 4
3 21
4 144
5 1205
6 11908
7 135597
8 1745488
9 25045821
10 396249564
11 6850289765
12 128438323720
13 2595394603269
14 56224162108468
15 1299717221807229
16 31931915643021504
17 830816659779428525
18 22820190255069409804
19 659845945466402034165
20 20034230527927369097848
21 637252918691725377815349

List of values

[1, 1, 4, 21, 144, 1205, 11908, 135597, 1745488, 25045821, 396249564, 6850289765, 128438323720, 2595394603269, 56224162108468, 1299717221807229, 31931915643021504, 830816659779428525, 22820190255069409804, 659845945466402034165, 20034230527927369097848, 637252918691725377815349]