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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.

A301551 Expansion of Product_{k>=1} (1 + x^k)^(sigma_7(k)).

Table of values

n a(n)
0 1
1 1
2 129
3 2317
4 26957
5 385147
6 5514889
7 70250881
8 866874825
9 10634404922
10 126906497939
11 1470673175003
12 16705788322140
13 186487470519166
14 2044203433733016
15 22025647881901542
16 233686866722213324
17 2443978994099801452
18 25211475391206919299
19 256716054713570158748

List of values

[1, 1, 129, 2317, 26957, 385147, 5514889, 70250881, 866874825, 10634404922, 126906497939, 1470673175003, 16705788322140, 186487470519166, 2044203433733016, 22025647881901542, 233686866722213324, 2443978994099801452, 25211475391206919299, 256716054713570158748]

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

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