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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.

A384733 a(n) = 5*binomial(n,6) + 2*binomial(n,4).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 2
5 10
6 35
7 105
8 280
9 672
10 1470
11 2970
12 5610
13 10010
14 17017
15 27755
16 43680
17 66640
18 98940
19 143412
20 203490
21 283290
22 387695
23 522445
24 694232
25 910800
26 1181050
27 1515150
28 1924650
29 2422602
30 3023685
31 3744335
32 4602880
33 5619680
34 6817272
35 8220520
36 9856770
37 11756010

List of values

[0, 0, 0, 0, 2, 10, 35, 105, 280, 672, 1470, 2970, 5610, 10010, 17017, 27755, 43680, 66640, 98940, 143412, 203490, 283290, 387695, 522445, 694232, 910800, 1181050, 1515150, 1924650, 2422602, 3023685, 3744335, 4602880, 5619680, 6817272, 8220520, 9856770, 11756010]

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

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