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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.

A178933 Generating function exp( sum(n>=1, sigma(n)^3*x^n/n ) ).

Table of values

n a(n)
0 1
1 1
2 14
3 35
4 205
5 521
6 2507
7 6709
8 26712
9 73834
10 262431
11 724537
12 2384988
13 6552033
14 20289864
15 55244988
16 163342701
17 439201501
18 1251532060
19 3321188863
20 9177476977
21 24028568664
22 64709650590
23 167153761523
24 440300702427
25 1122562426240
26 2900254892900
27 7301575351055
28 18544013542057

List of values

[1, 1, 14, 35, 205, 521, 2507, 6709, 26712, 73834, 262431, 724537, 2384988, 6552033, 20289864, 55244988, 163342701, 439201501, 1251532060, 3321188863, 9177476977, 24028568664, 64709650590, 167153761523, 440300702427, 1122562426240, 2900254892900, 7301575351055, 18544013542057]

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

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