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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.

A191811 G.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^binomial(n+4,5).

Table of values

n a(n)
0 1
1 1
2 2
3 9
4 58
5 501
6 5452
7 74211
8 1257414
9 26480393
10 689598502
11 21957924255
12 844532153323
13 38719749230469
14 2091808065954023
15 131835936103587004
16 9607988537163939224
17 803620426590302536069
18 76622443259122023510169

List of values

[1, 1, 2, 9, 58, 501, 5452, 74211, 1257414, 26480393, 689598502, 21957924255, 844532153323, 38719749230469, 2091808065954023, 131835936103587004, 9607988537163939224, 803620426590302536069, 76622443259122023510169]

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

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