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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.

A341393 Expansion of (-1 + Product_{k>=1} (1 + x^k)^k)^9.

Table of values

n a(n)
9 1
10 18
11 189
12 1464
13 9252
14 50292
15 243117
16 1068939
17 4344660
18 16522967
19 59349627
20 202844007
21 663615180
22 2088375867
23 6347592999
24 18698498610
25 53538715836
26 149375490453
27 406987481852
28 1084906793142
29 2834211905622
30 7266665613438
31 18308976116535

List of values

[1, 18, 189, 1464, 9252, 50292, 243117, 1068939, 4344660, 16522967, 59349627, 202844007, 663615180, 2088375867, 6347592999, 18698498610, 53538715836, 149375490453, 406987481852, 1084906793142, 2834211905622, 7266665613438, 18308976116535]

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

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