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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.

A330198 Expansion of e.g.f. Product_{k>=1} 1 / (2 - exp(x^k)).

Table of values

n a(n)
0 1
1 1
2 5
3 25
4 195
5 1521
6 16713
7 179425
8 2432139
9 33902149
10 546239793
11 9158893173
12 173742256251
13 3402217292137
14 73413011744985
15 1653326843775193
16 40118677865954475
17 1014971456865241197
18 27429061245764539521
19 770776923753566642365
20 22928146838491708702395

List of values

[1, 1, 5, 25, 195, 1521, 16713, 179425, 2432139, 33902149, 546239793, 9158893173, 173742256251, 3402217292137, 73413011744985, 1653326843775193, 40118677865954475, 1014971456865241197, 27429061245764539521, 770776923753566642365, 22928146838491708702395]

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

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