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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.

A301549 Expansion of Product_{k>=1} (1 + x^k)^(sigma_5(k)).

Table of values

n a(n)
0 1
1 1
2 33
3 277
4 1829
5 12763
6 89213
7 584741
8 3704421
9 22964742
10 139315315
11 826585083
12 4807922574
13 27476514016
14 154490531418
15 855490577052
16 4670177536402
17 25157218161854
18 133831334223869
19 703601883107626
20 3658023094714380
21 18817745119097343
22 95833879532504638

List of values

[1, 1, 33, 277, 1829, 12763, 89213, 584741, 3704421, 22964742, 139315315, 826585083, 4807922574, 27476514016, 154490531418, 855490577052, 4670177536402, 25157218161854, 133831334223869, 703601883107626, 3658023094714380, 18817745119097343, 95833879532504638]

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

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