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.

A011904 a(n) = floor( n*(n-1)*(n-2)/22 ).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 1
5 2
6 5
7 9
8 15
9 22
10 32
11 45
12 60
13 78
14 99
15 124
16 152
17 185
18 222
19 264
20 310
21 362
22 420
23 483
24 552
25 627
26 709
27 797
28 893
29 996
30 1107
31 1225
32 1352
33 1488
34 1632
35 1785
36 1947
37 2119
38 2300
39 2492
40 2694
41 2907
42 3130
43 3365
44 3612
45 3870
46 4140
47 4422
48 4717
49 5024
50 5345
51 5679
52 6027
53 6388
54 6764
55 7155
56 7560
57 7980
58 8415
59 8866
60 9332
61 9815
62 10314
63 10830
64 11362
65 11912
66 12480
67 13065
68 13668

List of values

[0, 0, 0, 0, 1, 2, 5, 9, 15, 22, 32, 45, 60, 78, 99, 124, 152, 185, 222, 264, 310, 362, 420, 483, 552, 627, 709, 797, 893, 996, 1107, 1225, 1352, 1488, 1632, 1785, 1947, 2119, 2300, 2492, 2694, 2907, 3130, 3365, 3612, 3870, 4140, 4422, 4717, 5024, 5345, 5679, 6027, 6388, 6764, 7155, 7560, 7980, 8415, 8866, 9332, 9815, 10314, 10830, 11362, 11912, 12480, 13065, 13668]