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.

A195143 a(n) = n-th concentric 12-gonal number.

Table of values

n a(n)
0 0
1 1
2 12
3 25
4 48
5 73
6 108
7 145
8 192
9 241
10 300
11 361
12 432
13 505
14 588
15 673
16 768
17 865
18 972
19 1081
20 1200
21 1321
22 1452
23 1585
24 1728
25 1873
26 2028
27 2185
28 2352
29 2521
30 2700
31 2881
32 3072
33 3265
34 3468
35 3673
36 3888
37 4105
38 4332
39 4561
40 4800
41 5041
42 5292
43 5545
44 5808
45 6073
46 6348

List of values

[0, 1, 12, 25, 48, 73, 108, 145, 192, 241, 300, 361, 432, 505, 588, 673, 768, 865, 972, 1081, 1200, 1321, 1452, 1585, 1728, 1873, 2028, 2185, 2352, 2521, 2700, 2881, 3072, 3265, 3468, 3673, 3888, 4105, 4332, 4561, 4800, 5041, 5292, 5545, 5808, 6073, 6348]