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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.

A301553 Expansion of Product_{k>=1} (1 + x^k)^(sigma_9(k)).

Table of values

n a(n)
0 1
1 1
2 513
3 20197
4 413669
5 12445003
6 372981573
7 9158438541
8 223776496101
9 5567873958982
10 132009631562091
11 3018411978731059
12 68171158091244082
13 1512439928316217508
14 32796174722883608382
15 698503712498547606328
16 14656105328324700415778
17 302787437988353941515934

List of values

[1, 1, 513, 20197, 413669, 12445003, 372981573, 9158438541, 223776496101, 5567873958982, 132009631562091, 3018411978731059, 68171158091244082, 1512439928316217508, 32796174722883608382, 698503712498547606328, 14656105328324700415778, 302787437988353941515934]

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

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