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.

A303970 Expansion of e.g.f. Product_{k>=1} 1/(1 - x^k)^H(k), where H(k) is the k-th harmonic number.

Table of values

n a(n)
0 1
1 1
2 5
3 26
4 199
5 1599
6 17053
7 186276
8 2460057
9 34226729
10 537669401
11 8925732958
12 163894885735
13 3151342927823
14 65678713377873
15 1437541042260704
16 33545591623360881
17 819213454875992337
18 21170268780829522093
19 570252657062810041954
20 16139888268919495959911
21 475126022355752304699455
22 14608848314409377281498213

List of values

[1, 1, 5, 26, 199, 1599, 17053, 186276, 2460057, 34226729, 537669401, 8925732958, 163894885735, 3151342927823, 65678713377873, 1437541042260704, 33545591623360881, 819213454875992337, 21170268780829522093, 570252657062810041954, 16139888268919495959911, 475126022355752304699455, 14608848314409377281498213]