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.

A011869 a(n) = floor(n*(n-1)/16).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 1
7 2
8 3
9 4
10 5
11 6
12 8
13 9
14 11
15 13
16 15
17 17
18 19
19 21
20 23
21 26
22 28
23 31
24 34
25 37
26 40
27 43
28 47
29 50
30 54
31 58
32 62
33 66
34 70
35 74
36 78
37 83
38 87
39 92
40 97
41 102
42 107
43 112
44 118
45 123
46 129
47 135
48 141
49 147
50 153
51 159
52 165
53 172
54 178
55 185
56 192
57 199
58 206
59 213
60 221
61 228
62 236
63 244
64 252
65 260

List of values

[0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 8, 9, 11, 13, 15, 17, 19, 21, 23, 26, 28, 31, 34, 37, 40, 43, 47, 50, 54, 58, 62, 66, 70, 74, 78, 83, 87, 92, 97, 102, 107, 112, 118, 123, 129, 135, 141, 147, 153, 159, 165, 172, 178, 185, 192, 199, 206, 213, 221, 228, 236, 244, 252, 260]