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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.

A300616 E.g.f. A(x) satisfies: [x^n] A(x)^n = n^2 * [x^(n-1)] A(x)^n for n>=1.

Table of values

n a(n)
0 1
1 1
2 7
3 199
4 14065
5 1924201
6 445859911
7 161145717727
8 85790577700129
9 64427620614173425
10 65943035132156264071
11 89425725156530626400791
12 156922032757769223085752337
13 349233620942232034199096926489
14 968890106809715834110637461124935
15 3301188169350221687517822373590448111
16 13634136452997022097853039839798901714241

List of values

[1, 1, 7, 199, 14065, 1924201, 445859911, 161145717727, 85790577700129, 64427620614173425, 65943035132156264071, 89425725156530626400791, 156922032757769223085752337, 349233620942232034199096926489, 968890106809715834110637461124935, 3301188169350221687517822373590448111, 13634136452997022097853039839798901714241]

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

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