cp's OEIS Frontend

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.

A355287 E.g.f. satisfies A(x) = 1/(1 - x)^(x^2 * A(x)).

Table of values

n a(n)
0 1
1 0
2 0
3 6
4 12
5 40
6 1260
7 8568
8 62160
9 1473120
10 19111680
11 232626240
12 5403451680
13 103176028800
14 1822033204992
15 45916616592000
16 1129459815993600
17 26346457488798720
18 749439127417466880
19 22165051763204582400
20 640916967497214643200
21 20787453048015928350720

List of values

[1, 0, 0, 6, 12, 40, 1260, 8568, 62160, 1473120, 19111680, 232626240, 5403451680, 103176028800, 1822033204992, 45916616592000, 1129459815993600, 26346457488798720, 749439127417466880, 22165051763204582400, 640916967497214643200, 20787453048015928350720]

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

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