A269152 - cp's OEIS frontend

A269152 T(n,k) = Number of n X k 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

n	a(n)
1	0
2	4
3	4
4	24
5	80
6	24
7	108
8	768
9	768
10	108
11	432
12	6224
13	13904
14	6224
15	432
16	1620
17	46464
18	220968
19	220968
20	46464
21	1620
22	5832
23	330192
24	3277728
25	7002040
26	3277728
27	330192
28	5832
29	20412
30	2270592
31	46576336
32	208984848
33	208984848
34	46576336
35	2270592
36	20412

[0, 4, 4, 24, 80, 24, 108, 768, 768, 108, 432, 6224, 13904, 6224, 432, 1620, 46464, 220968, 220968, 46464, 1620, 5832, 330192, 3277728, 7002040, 3277728, 330192, 5832, 20412, 2270592, 46576336, 208984848, 208984848, 46576336, 2270592, 20412]

cp's OEIS Frontend

A269152 T(n,k) = Number of n X k 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

Table of values

List of values