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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.

A276748 G.f.: exp( Sum_{n>=1} [ Sum_{k>=1} k^(n^2) * x^(n*k) ] / n ), a power series in x with integer coefficients.

Table of values

n a(n)
0 1
1 1
2 3
3 6
4 20
5 31
6 278
7 337
8 17412
9 24798
10 6772374
11 6838020
12 11484638201
13 11505059694
14 80455953355044
15 80659880546429
16 2306084675313241000
17 2306326405122809872
18 268657126294137376567236
19 268664044710902946519968
20 126765866019584067600135507174
21 126766706181193131138562011916
22 241678197716027150352300025709078423
23 241678578014230878979840920532089312
24 1858396158247302094721803368957703312268486
25 1858396883282148773045801834086535278817434

List of values

[1, 1, 3, 6, 20, 31, 278, 337, 17412, 24798, 6772374, 6838020, 11484638201, 11505059694, 80455953355044, 80659880546429, 2306084675313241000, 2306326405122809872, 268657126294137376567236, 268664044710902946519968, 126765866019584067600135507174, 126766706181193131138562011916, 241678197716027150352300025709078423, 241678578014230878979840920532089312, 1858396158247302094721803368957703312268486, 1858396883282148773045801834086535278817434]

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

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