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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.

A380711 G.f. A(x) satisfies A(x) = 1 + x*A(x)*abs( 1/A(x)^3 ).

Table of values

n a(n)
0 1
1 1
2 4
3 13
4 32
5 147
6 460
7 1436
8 5662
9 17287
10 60644
11 209377
12 688370
13 2391256
14 8105590
15 27102666
16 92744010
17 312994179
18 1067043874
19 3659563265
20 12430287670
21 42225015449
22 143808001426
23 487301478188
24 1658050374982
25 5637187122368
26 19153301908756
27 65251831433398
28 222042679730222
29 755372323224172

List of values

[1, 1, 4, 13, 32, 147, 460, 1436, 5662, 17287, 60644, 209377, 688370, 2391256, 8105590, 27102666, 92744010, 312994179, 1067043874, 3659563265, 12430287670, 42225015449, 143808001426, 487301478188, 1658050374982, 5637187122368, 19153301908756, 65251831433398, 222042679730222, 755372323224172]

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

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