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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.

A020082 a(n) = floor( Gamma(n + 4/5)/Gamma(4/5) ).

Table of values

n a(n)
0 1
1 0
2 1
3 4
4 15
5 73
6 426
7 2900
8 22624
9 199094
10 1951127
11 21072175
12 248651668
13 3182741351
14 43921830647
15 650043093588
16 10270680878693
17 172547438762055
18 3071344409964594
19 57741274907334370
20 1143277243165220533

List of values

[1, 0, 1, 4, 15, 73, 426, 2900, 22624, 199094, 1951127, 21072175, 248651668, 3182741351, 43921830647, 650043093588, 10270680878693, 172547438762055, 3071344409964594, 57741274907334370, 1143277243165220533]

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

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