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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.

A073075 Generating function satisfies A(x) = exp(2*A(x)*x + 2*A(x^3)*x^3/3 + 2*A(x^5)*x^5/5 + 2*A(x^7)*x^7/7 +...).

Table of values

n a(n)
0 1
1 2
2 6
3 22
4 86
5 358
6 1554
7 6950
8 31822
9 148434
10 702802
11 3369046
12 16319050
13 79749294
14 392711090
15 1946732854
16 9706813790
17 48651303118
18 244972282734
19 1238621756174
20 6286144819506
21 32011282859598
22 163517409895602
23 837631563577814
24 4301996341244810

List of values

[1, 2, 6, 22, 86, 358, 1554, 6950, 31822, 148434, 702802, 3369046, 16319050, 79749294, 392711090, 1946732854, 9706813790, 48651303118, 244972282734, 1238621756174, 6286144819506, 32011282859598, 163517409895602, 837631563577814, 4301996341244810]

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

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