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.

A059518 a(n)/n^2 is the minimal average squared Euclidean distance of n points to their center of gravity among all configurations of n points on the hexagonal lattice.

Table of values

n a(n)
1 0
2 1
3 3
4 8
5 17
6 29
7 42
8 69
9 99
10 135
11 181
12 228
13 299
14 371
15 464
16 560
17 668
18 788
19 912
20 1093
21 1275
22 1463
23 1667
24 1895
25 2137
26 2403
27 2673
28 2997
29 3346
30 3705
31 4092
32 4503
33 4923
34 5370
35 5853
36 6363
37 6882
38 7512
39 8154
40 8813
41 9488
42 10164
43 10924
44 11693
45 12506
46 13361

List of values

[0, 1, 3, 8, 17, 29, 42, 69, 99, 135, 181, 228, 299, 371, 464, 560, 668, 788, 912, 1093, 1275, 1463, 1667, 1895, 2137, 2403, 2673, 2997, 3346, 3705, 4092, 4503, 4923, 5370, 5853, 6363, 6882, 7512, 8154, 8813, 9488, 10164, 10924, 11693, 12506, 13361]