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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.

A381029 G.f. A(x) satisfies A(x) = 1/(1 - x * A(x*A(x)^2)^2).

Table of values

n a(n)
0 1
1 1
2 3
3 16
4 113
5 955
6 9178
7 97427
8 1121705
9 13836694
10 181295019
11 2507119320
12 36416096984
13 553461581406
14 8774534872463
15 144744539399484
16 2479088917439527
17 44004108702467428
18 808171916050540308
19 15335535608825061803
20 300272362335527090277
21 6059534345675248667550

List of values

[1, 1, 3, 16, 113, 955, 9178, 97427, 1121705, 13836694, 181295019, 2507119320, 36416096984, 553461581406, 8774534872463, 144744539399484, 2479088917439527, 44004108702467428, 808171916050540308, 15335535608825061803, 300272362335527090277, 6059534345675248667550]

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

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