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.

A062728 Second 11-gonal (or hendecagonal) numbers: a(n) = n*(9*n+7)/2.

Table of values

n a(n)
0 0
1 8
2 25
3 51
4 86
5 130
6 183
7 245
8 316
9 396
10 485
11 583
12 690
13 806
14 931
15 1065
16 1208
17 1360
18 1521
19 1691
20 1870
21 2058
22 2255
23 2461
24 2676
25 2900
26 3133
27 3375
28 3626
29 3886
30 4155
31 4433
32 4720
33 5016
34 5321
35 5635
36 5958
37 6290
38 6631
39 6981
40 7340
41 7708
42 8085
43 8471
44 8866
45 9270

List of values

[0, 8, 25, 51, 86, 130, 183, 245, 316, 396, 485, 583, 690, 806, 931, 1065, 1208, 1360, 1521, 1691, 1870, 2058, 2255, 2461, 2676, 2900, 3133, 3375, 3626, 3886, 4155, 4433, 4720, 5016, 5321, 5635, 5958, 6290, 6631, 6981, 7340, 7708, 8085, 8471, 8866, 9270]