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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.

A386432 a(n) = Sum_{k=0..n} n^k * binomial(n,k) * Catalan(k+1).

Table of values

n a(n)
0 1
1 3
2 29
3 532
4 14849
5 562551
6 27053749
7 1581258225
8 108965790593
9 8657148898585
10 779508506302701
11 78480330282178738
12 8738801236865140417
13 1066555304017996550265
14 141604665239501105707269
15 20321162053065050407161076
16 3134730687100285268294654465
17 517309567362171441488395248225

List of values

[1, 3, 29, 532, 14849, 562551, 27053749, 1581258225, 108965790593, 8657148898585, 779508506302701, 78480330282178738, 8738801236865140417, 1066555304017996550265, 141604665239501105707269, 20321162053065050407161076, 3134730687100285268294654465, 517309567362171441488395248225]

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

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