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.

A357197 Number of vertices in a hexagon when n internal hexagons are drawn between the 6n points that divide each side into n+1 equal parts.

Table of values

n a(n)
0 6
1 12
2 30
3 60
4 102
5 156
6 222
7 300
8 390
9 468
10 606
11 708
12 870
13 1020
14 1152
15 1356
16 1542
17 1740
18 1950
19 2112
20 2406
21 2652
22 2910
23 3072
24 3462
25 3756
26 4062
27 4350
28 4710
29 4974
30 5406
31 5772
32 6126
33 6540
34 6918
35 7260
36 7782
37 8220
38 8646
39 8946
40 9606
41 10032
42 10590
43 11052
44 11568
45 12156
46 12702
47 13116
48 13830
49 14388

List of values

[6, 12, 30, 60, 102, 156, 222, 300, 390, 468, 606, 708, 870, 1020, 1152, 1356, 1542, 1740, 1950, 2112, 2406, 2652, 2910, 3072, 3462, 3756, 4062, 4350, 4710, 4974, 5406, 5772, 6126, 6540, 6918, 7260, 7782, 8220, 8646, 8946, 9606, 10032, 10590, 11052, 11568, 12156, 12702, 13116, 13830, 14388]