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.

A008381 floor(n/5)*floor((n+1)/5)*floor((n+2)/5)*floor((n+3)/5).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 1
7 2
8 4
9 8
10 16
11 16
12 24
13 36
14 54
15 81
16 81
17 108
18 144
19 192
20 256
21 256
22 320
23 400
24 500
25 625
26 625
27 750
28 900
29 1080
30 1296
31 1296
32 1512
33 1764
34 2058
35 2401
36 2401
37 2744
38 3136
39 3584
40 4096
41 4096
42 4608
43 5184
44 5832

List of values

[0, 0, 0, 0, 0, 1, 1, 2, 4, 8, 16, 16, 24, 36, 54, 81, 81, 108, 144, 192, 256, 256, 320, 400, 500, 625, 625, 750, 900, 1080, 1296, 1296, 1512, 1764, 2058, 2401, 2401, 2744, 3136, 3584, 4096, 4096, 4608, 5184, 5832]