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.

A260302 Maximum water retention of a number octagon of order n.

Table of values

n a(n)
1 0
2 0
3 231
4 1378
5 4753
6 12246
7 26335
8 50086
9 87153
10 141778
11 218791
12 323610
13 462241
14 641278
15 867903
16 1149886
17 1495585
18 1913946
19 2414503
20 3007378
21 3703281
22 4513510
23 5449951
24 6525078
25 7751953
26 9144226
27 10716135
28 12482506
29 14458753
30 16660878
31 19105471
32 21809710

List of values

[0, 0, 231, 1378, 4753, 12246, 26335, 50086, 87153, 141778, 218791, 323610, 462241, 641278, 867903, 1149886, 1495585, 1913946, 2414503, 3007378, 3703281, 4513510, 5449951, 6525078, 7751953, 9144226, 10716135, 12482506, 14458753, 16660878, 19105471, 21809710]