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.

A181640 Partial sums of floor(n^2/5) (A118015).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 4
5 9
6 16
7 25
8 37
9 53
10 73
11 97
12 125
13 158
14 197
15 242
16 293
17 350
18 414
19 486
20 566
21 654
22 750
23 855
24 970
25 1095
26 1230
27 1375
28 1531
29 1699
30 1879
31 2071
32 2275
33 2492
34 2723
35 2968
36 3227
37 3500
38 3788
39 4092
40 4412
41 4748
42 5100
43 5469
44 5856
45 6261
46 6684
47 7125
48 7585
49 8065
50 8565

List of values

[0, 0, 0, 1, 4, 9, 16, 25, 37, 53, 73, 97, 125, 158, 197, 242, 293, 350, 414, 486, 566, 654, 750, 855, 970, 1095, 1230, 1375, 1531, 1699, 1879, 2071, 2275, 2492, 2723, 2968, 3227, 3500, 3788, 4092, 4412, 4748, 5100, 5469, 5856, 6261, 6684, 7125, 7585, 8065, 8565]