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.

A011893 a(n) = floor( n*(n-1)*(n-2)/11 ).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 2
5 5
6 10
7 19
8 30
9 45
10 65
11 90
12 120
13 156
14 198
15 248
16 305
17 370
18 445
19 528
20 621
21 725
22 840
23 966
24 1104
25 1254
26 1418
27 1595
28 1786
29 1993
30 2214
31 2451
32 2705
33 2976
34 3264
35 3570
36 3894
37 4238
38 4601
39 4984
40 5389
41 5814
42 6261
43 6731
44 7224
45 7740
46 8280
47 8844
48 9434
49 10049
50 10690

List of values

[0, 0, 0, 0, 2, 5, 10, 19, 30, 45, 65, 90, 120, 156, 198, 248, 305, 370, 445, 528, 621, 725, 840, 966, 1104, 1254, 1418, 1595, 1786, 1993, 2214, 2451, 2705, 2976, 3264, 3570, 3894, 4238, 4601, 4984, 5389, 5814, 6261, 6731, 7224, 7740, 8280, 8844, 9434, 10049, 10690]