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.

A345870 Expansion of e.g.f. Product_{k>=1} ((1 + x^k)/(1 - x^k))^(1/k!).

Table of values

n a(n)
0 1
1 2
2 6
3 26
4 126
5 742
6 5166
7 40462
8 351742
9 3458470
10 37425406
11 440788702
12 5633316574
13 77379974518
14 1140707915262
15 18053421105742
16 302414295475134
17 5364631473148614
18 100769601500958078
19 1988246969908681278
20 41179474537324087454
21 896909297854081874454

List of values

[1, 2, 6, 26, 126, 742, 5166, 40462, 351742, 3458470, 37425406, 440788702, 5633316574, 77379974518, 1140707915262, 18053421105742, 302414295475134, 5364631473148614, 100769601500958078, 1988246969908681278, 41179474537324087454, 896909297854081874454]