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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.

A292629 a(n) = n! * [x^n] exp(n*x)*BesselI(1,2*x).

Table of values

n a(n)
0 0
1 1
2 4
3 30
4 304
5 3885
6 59976
7 1085973
8 22571200
9 529712667
10 13856212600
11 399773871068
12 12612288989664
13 431948624278795
14 15960564546516240
15 632898895109081310
16 26809122466181751552
17 1208177444352064438155
18 57719104861915100554200
19 2913802658820378870546498
20 154991214138728849712151200

List of values

[0, 1, 4, 30, 304, 3885, 59976, 1085973, 22571200, 529712667, 13856212600, 399773871068, 12612288989664, 431948624278795, 15960564546516240, 632898895109081310, 26809122466181751552, 1208177444352064438155, 57719104861915100554200, 2913802658820378870546498, 154991214138728849712151200]

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

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