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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.

A384576 G.f. A(x) satisfies A(x) = ( 1 + x * A(x*A(x))^(1/2) )^2.

Table of values

n a(n)
0 1
1 2
2 3
3 8
4 27
5 118
6 609
7 3602
8 23866
9 174186
10 1383868
11 11860702
12 108889022
13 1064691402
14 11034753421
15 120739899232
16 1389891203976
17 16781698952902
18 211959646629376
19 2793804347189762
20 38347179124969391
21 547046497259184494
22 8096627908313404104

List of values

[1, 2, 3, 8, 27, 118, 609, 3602, 23866, 174186, 1383868, 11860702, 108889022, 1064691402, 11034753421, 120739899232, 1389891203976, 16781698952902, 211959646629376, 2793804347189762, 38347179124969391, 547046497259184494, 8096627908313404104]

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

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