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.

A307559 a(n) = floor(n/3)*(n - floor(n/3))*(n - floor(n/3) - 1).

Table of values

n a(n)
1 0
2 0
3 2
4 6
5 12
6 24
7 40
8 60
9 90
10 126
11 168
12 224
13 288
14 360
15 450
16 550
17 660
18 792
19 936
20 1092
21 1274
22 1470
23 1680
24 1920
25 2176
26 2448
27 2754
28 3078
29 3420
30 3800
31 4200
32 4620
33 5082
34 5566
35 6072
36 6624
37 7200
38 7800
39 8450
40 9126
41 9828
42 10584
43 11368
44 12180
45 13050
46 13950
47 14880
48 15872

List of values

[0, 0, 2, 6, 12, 24, 40, 60, 90, 126, 168, 224, 288, 360, 450, 550, 660, 792, 936, 1092, 1274, 1470, 1680, 1920, 2176, 2448, 2754, 3078, 3420, 3800, 4200, 4620, 5082, 5566, 6072, 6624, 7200, 7800, 8450, 9126, 9828, 10584, 11368, 12180, 13050, 13950, 14880, 15872]