cp's OEIS Frontend

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.

A011843 a(n) = floor(binomial(n,5)/6).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 1
7 3
8 9
9 21
10 42
11 77
12 132
13 214
14 333
15 500
16 728
17 1031
18 1428
19 1938
20 2584
21 3391
22 4389
23 5608
24 7084
25 8855
26 10963
27 13455
28 16380
29 19792
30 23751
31 28318
32 33562
33 39556
34 46376
35 54105
36 62832
37 72649
38 83657

List of values

[0, 0, 0, 0, 0, 0, 1, 3, 9, 21, 42, 77, 132, 214, 333, 500, 728, 1031, 1428, 1938, 2584, 3391, 4389, 5608, 7084, 8855, 10963, 13455, 16380, 19792, 23751, 28318, 33562, 39556, 46376, 54105, 62832, 72649, 83657]

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

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