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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.

A341228 Expansion of (-1 + Product_{k>=1} 1 / (1 - x^k))^9.

Table of values

n a(n)
9 1
10 18
11 171
12 1149
13 6147
14 27891
15 111567
16 403722
17 1345896
18 4189334
19 12300174
20 34337403
21 91721385
22 235645425
23 584759880
24 1406588073
25 3289489002
26 7498465029
27 16697615817
28 36391839264
29 77758115283
30 163123713621
31 336420277812
32 682877289213
33 1365674365197
34 2693384989056

List of values

[1, 18, 171, 1149, 6147, 27891, 111567, 403722, 1345896, 4189334, 12300174, 34337403, 91721385, 235645425, 584759880, 1406588073, 3289489002, 7498465029, 16697615817, 36391839264, 77758115283, 163123713621, 336420277812, 682877289213, 1365674365197, 2693384989056]

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

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