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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.

A355064 Expansion of e.g.f. ( Product_{k>0} 1/(1-x^k)^(1/k) )^x.

Table of values

n a(n)
0 1
1 0
2 2
3 6
4 28
5 210
6 1248
7 13020
8 102128
9 1248912
10 13457880
11 176726880
12 2362784928
13 36609693120
14 551337892896
15 9588702417840
16 171779733546240
17 3230529997766400
18 64714946343904512
19 1371420774325866240
20 29953522454811096960
21 698447624328756610560

List of values

[1, 0, 2, 6, 28, 210, 1248, 13020, 102128, 1248912, 13457880, 176726880, 2362784928, 36609693120, 551337892896, 9588702417840, 171779733546240, 3230529997766400, 64714946343904512, 1371420774325866240, 29953522454811096960, 698447624328756610560]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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