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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.

A205797 G.f.: A(x) = exp( Sum_{n>=1} sigma(n)^4 * x^n/n ).

Table of values

n a(n)
0 1
1 1
2 41
3 126
4 1526
5 5185
6 46920
7 176865
8 1254608
9 4986548
10 30563031
11 123868761
12 683127011
13 2793828323
14 14223836013
15 58127497582
16 278433541834
17 1130954381904
18 5159127957638
19 20767403083249
20 91032595281699
21 362455763000997
22 1536849042738162

List of values

[1, 1, 41, 126, 1526, 5185, 46920, 176865, 1254608, 4986548, 30563031, 123868761, 683127011, 2793828323, 14223836013, 58127497582, 278433541834, 1130954381904, 5159127957638, 20767403083249, 91032595281699, 362455763000997, 1536849042738162]

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

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