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.

A118015 a(n) = floor(n^2/5).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 3
5 5
6 7
7 9
8 12
9 16
10 20
11 24
12 28
13 33
14 39
15 45
16 51
17 57
18 64
19 72
20 80
21 88
22 96
23 105
24 115
25 125
26 135
27 145
28 156
29 168
30 180
31 192
32 204
33 217
34 231
35 245
36 259
37 273
38 288
39 304
40 320
41 336
42 352
43 369
44 387
45 405
46 423
47 441
48 460
49 480
50 500
51 520
52 540
53 561
54 583
55 605
56 627
57 649
58 672

List of values

[0, 0, 0, 1, 3, 5, 7, 9, 12, 16, 20, 24, 28, 33, 39, 45, 51, 57, 64, 72, 80, 88, 96, 105, 115, 125, 135, 145, 156, 168, 180, 192, 204, 217, 231, 245, 259, 273, 288, 304, 320, 336, 352, 369, 387, 405, 423, 441, 460, 480, 500, 520, 540, 561, 583, 605, 627, 649, 672]