A234250 - cp's OEIS frontend

A234250 Number of ways to choose 3 points in an n X n X n triangular grid so that they do not form a 2 X 2 X 2 triangle.

n	a(n)
2	0
3	16
4	111
5	439
6	1305
7	3240
8	7091
9	14126
10	26154
11	45660
12	75955
13	121341
14	187291
15	280644
16	409815
17	585020
18	818516
19	1124856
20	1521159
21	2027395
22	2666685
23	3465616
24	4454571
25	5668074
26	7145150
27	8929700
28	11070891
29	13623561
30	16648639
31	20213580
32	24392815
33	29268216
34	34929576

[0, 16, 111, 439, 1305, 3240, 7091, 14126, 26154, 45660, 75955, 121341, 187291, 280644, 409815, 585020, 818516, 1124856, 1521159, 2027395, 2666685, 3465616, 4454571, 5668074, 7145150, 8929700, 11070891, 13623561, 16648639, 20213580, 24392815, 29268216, 34929576]

cp's OEIS Frontend

A234250 Number of ways to choose 3 points in an n X n X n triangular grid so that they do not form a 2 X 2 X 2 triangle.

Table of values

List of values