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.

A289223 Number of ways to select 2 disjoint point triples from an n X n X n triangular point grid, each point triple forming an 2 X 2 X 2 triangle.

Table of values

n a(n)
2 0
3 0
4 12
5 66
6 204
7 480
8 960
9 1722
10 2856
11 4464
12 6660
13 9570
14 13332
15 18096
16 24024
17 31290
18 40080
19 50592
20 63036
21 77634
22 94620
23 114240
24 136752
25 162426
26 191544
27 224400
28 261300
29 302562
30 348516
31 399504
32 455880
33 518010
34 586272
35 661056
36 742764
37 831810
38 928620
39 1033632
40 1147296

List of values

[0, 0, 12, 66, 204, 480, 960, 1722, 2856, 4464, 6660, 9570, 13332, 18096, 24024, 31290, 40080, 50592, 63036, 77634, 94620, 114240, 136752, 162426, 191544, 224400, 261300, 302562, 348516, 399504, 455880, 518010, 586272, 661056, 742764, 831810, 928620, 1033632, 1147296]