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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.

A053733 a(n) = ceiling(binomial(n,9)/n).

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 1
10 1
11 5
12 19
13 55
14 143
15 334
16 715
17 1430
18 2702
19 4862
20 8398
21 13997
22 22610
23 35530
24 54480
25 81719
26 120175
27 173587
28 246675
29 345345
30 476905
31 650325
32 876525
33 1168700
34 1542684
35 2017356
36 2615092
37 3362260
38 4289780
39 5433722

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 5, 19, 55, 143, 334, 715, 1430, 2702, 4862, 8398, 13997, 22610, 35530, 54480, 81719, 120175, 173587, 246675, 345345, 476905, 650325, 876525, 1168700, 1542684, 2017356, 2615092, 3362260, 4289780, 5433722]

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

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