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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.

A381479 E.g.f. A(x) satisfies A(x) = 1/( 1 - x * A(x)^2 * cos(x * A(x)^2) ).

Table of values

n a(n)
0 1
1 1
2 6
3 69
4 1200
5 28085
6 828240
7 29502473
8 1232606592
9 59114482569
10 3201204188160
11 193215861134989
12 12862437022076928
13 936256855741871677
14 73978404781917941760
15 6306254322850544942865
16 576881179288397985054720
17 56369243043268551691136657
18 5859726074013471622734938112

List of values

[1, 1, 6, 69, 1200, 28085, 828240, 29502473, 1232606592, 59114482569, 3201204188160, 193215861134989, 12862437022076928, 936256855741871677, 73978404781917941760, 6306254322850544942865, 576881179288397985054720, 56369243043268551691136657, 5859726074013471622734938112]

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

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