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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.

A294409 a(n) = n! * [x^n] exp(n*x)*BesselI(0,2*n*x).

Table of values

n a(n)
0 1
1 1
2 12
3 189
4 4864
5 159375
6 6578496
7 323652399
8 18572378112
9 1216112914971
10 89530000000000
11 7319100286183983
12 657910135976361984
13 64494528072860946073
14 6847518630093139525632
15 782782183702056884765625
16 95860848315529046085599232
17 12520224284071636768582166787
18 1737254440584625641929018966016

List of values

[1, 1, 12, 189, 4864, 159375, 6578496, 323652399, 18572378112, 1216112914971, 89530000000000, 7319100286183983, 657910135976361984, 64494528072860946073, 6847518630093139525632, 782782183702056884765625, 95860848315529046085599232, 12520224284071636768582166787, 1737254440584625641929018966016]

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

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