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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.

A051052 a(n) = binomial(n, floor(n/5)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 5
6 6
7 7
8 8
9 9
10 45
11 55
12 66
13 78
14 91
15 455
16 560
17 680
18 816
19 969
20 4845
21 5985
22 7315
23 8855
24 10626
25 53130
26 65780
27 80730
28 98280
29 118755
30 593775
31 736281
32 906192
33 1107568
34 1344904
35 6724520
36 8347680
37 10295472
38 12620256
39 15380937
40 76904685

List of values

[1, 1, 1, 1, 1, 5, 6, 7, 8, 9, 45, 55, 66, 78, 91, 455, 560, 680, 816, 969, 4845, 5985, 7315, 8855, 10626, 53130, 65780, 80730, 98280, 118755, 593775, 736281, 906192, 1107568, 1344904, 6724520, 8347680, 10295472, 12620256, 15380937, 76904685]

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

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