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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.

A361617 a(n) = n! * Sum_{k=0..n} binomial(n+(n-1)*(k+1),n-k)/k!.

Table of values

n a(n)
0 1
1 2
2 15
3 214
4 4721
5 146046
6 5958367
7 307382090
8 19459587009
9 1478414285146
10 132440451881231
11 13787717744245182
12 1647673524863409265
13 223671725058601427414
14 34184743554559413628191
15 5837132027535188545269106
16 1106136052471647285563082497

List of values

[1, 2, 15, 214, 4721, 146046, 5958367, 307382090, 19459587009, 1478414285146, 132440451881231, 13787717744245182, 1647673524863409265, 223671725058601427414, 34184743554559413628191, 5837132027535188545269106, 1106136052471647285563082497]

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

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