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.

A289222 Triangle read by rows: T(n, k) is the number of ways to select k disjoint point triples from an n X n X n triangular point grid, each point triple forming a 2 X 2 X 2 triangle.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 4
6 0
7 1
8 9
9 12
10 4
11 1
12 16
13 66
14 82
15 13
16 0
17 1
18 25
19 204
20 670
21 859
22 420
23 76
24 0
25 1
26 36
27 480
28 3028
29 9585
30 15108
31 10956
32 2910
33 231
34 2
35 1
36 49
37 960
38 9780
39 56520
40 190371
41 371016
42 404746
43 235380
44 68793
45 9030
46 252
47 0
48 1
49 64
50 1722
51 25574
52 231635
53 1336320
54 4988324

List of values

[1, 1, 1, 1, 4, 0, 1, 9, 12, 4, 1, 16, 66, 82, 13, 0, 1, 25, 204, 670, 859, 420, 76, 0, 1, 36, 480, 3028, 9585, 15108, 10956, 2910, 231, 2, 1, 49, 960, 9780, 56520, 190371, 371016, 404746, 235380, 68793, 9030, 252, 0, 1, 64, 1722, 25574, 231635, 1336320, 4988324]