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.

A007899 Coordination sequence for hexagonal close-packing.

Table of values

n a(n)
0 1
1 12
2 44
3 96
4 170
5 264
6 380
7 516
8 674
9 852
10 1052
11 1272
12 1514
13 1776
14 2060
15 2364
16 2690
17 3036
18 3404
19 3792
20 4202
21 4632
22 5084
23 5556
24 6050
25 6564
26 7100
27 7656
28 8234
29 8832
30 9452
31 10092
32 10754
33 11436
34 12140
35 12864
36 13610
37 14376
38 15164
39 15972
40 16802
41 17652
42 18524
43 19416
44 20330
45 21264
46 22220

List of values

[1, 12, 44, 96, 170, 264, 380, 516, 674, 852, 1052, 1272, 1514, 1776, 2060, 2364, 2690, 3036, 3404, 3792, 4202, 4632, 5084, 5556, 6050, 6564, 7100, 7656, 8234, 8832, 9452, 10092, 10754, 11436, 12140, 12864, 13610, 14376, 15164, 15972, 16802, 17652, 18524, 19416, 20330, 21264, 22220]