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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.

A191810 G.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^binomial(n+3,4).

Table of values

n a(n)
0 1
1 1
2 2
3 8
4 44
5 305
6 2521
7 24389
8 273990
9 3569531
10 53944055
11 944215131
12 19065096323
13 441174226355
14 11609627641798
15 344702951590401
16 11463058468995522
17 424180616752269732
18 17366249924363207650
19 782666399665891947949

List of values

[1, 1, 2, 8, 44, 305, 2521, 24389, 273990, 3569531, 53944055, 944215131, 19065096323, 441174226355, 11609627641798, 344702951590401, 11463058468995522, 424180616752269732, 17366249924363207650, 782666399665891947949]

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

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