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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.

A020040 a(n) = round( Gamma(n+1/5)/Gamma(1/5) ).

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 2
5 7
6 37
7 229
8 1647
9 13507
10 124269
11 1267543
12 14196477
13 173197024
14 2286200718
15 32464050199
16 493453563029
17 7993947721071
18 137495900802424
19 2502425394604114
20 48046567576398986
21 970540665043259525

List of values

[1, 0, 0, 1, 2, 7, 37, 229, 1647, 13507, 124269, 1267543, 14196477, 173197024, 2286200718, 32464050199, 493453563029, 7993947721071, 137495900802424, 2502425394604114, 48046567576398986, 970540665043259525]

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

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