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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.

A010973 a(n) = binomial(n,20).

Table of values

n a(n)
20 1
21 21
22 231
23 1771
24 10626
25 53130
26 230230
27 888030
28 3108105
29 10015005
30 30045015
31 84672315
32 225792840
33 573166440
34 1391975640
35 3247943160
36 7307872110
37 15905368710
38 33578000610
39 68923264410
40 137846528820
41 269128937220
42 513791607420
43 960566918220
44 1761039350070

List of values

[1, 21, 231, 1771, 10626, 53130, 230230, 888030, 3108105, 10015005, 30045015, 84672315, 225792840, 573166440, 1391975640, 3247943160, 7307872110, 15905368710, 33578000610, 68923264410, 137846528820, 269128937220, 513791607420, 960566918220, 1761039350070]

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

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