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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.

A382893 G.f. A(x) satisfies A(x) = 1/( 1 - x * (1+x)^2 * A(x) )^2.

Table of values

n a(n)
0 1
1 2
2 11
3 60
4 365
5 2350
6 15767
7 109048
8 771993
9 5567066
10 40751267
11 302018484
12 2261763205
13 17088919814
14 130108591407
15 997225521136
16 7688232599089
17 59581977618098
18 463890112373563
19 3626778446099756
20 28461425971969693
21 224114796803735774
22 1770236735807921863

List of values

[1, 2, 11, 60, 365, 2350, 15767, 109048, 771993, 5567066, 40751267, 302018484, 2261763205, 17088919814, 130108591407, 997225521136, 7688232599089, 59581977618098, 463890112373563, 3626778446099756, 28461425971969693, 224114796803735774, 1770236735807921863]

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

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