A268798 - cp's OEIS frontend

A268798 T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.

n	a(n)
1	0
2	3
3	3
4	12
5	22
6	12
7	36
8	78
9	78
10	36
11	96
12	234
13	248
14	234
15	96
16	240
17	652
18	950
19	950
20	652
21	240
22	576
23	1714
24	3384
25	4800
26	3384
27	1714
28	576
29	1344
30	4360
31	11948
32	23994
33	23994
34	11948
35	4360
36	1344
37	3072
38	10820
39	41248
40	117062
41	168740
42	117062
43	41248
44	10820
45	3072
46	6912
47	26366

[0, 3, 3, 12, 22, 12, 36, 78, 78, 36, 96, 234, 248, 234, 96, 240, 652, 950, 950, 652, 240, 576, 1714, 3384, 4800, 3384, 1714, 576, 1344, 4360, 11948, 23994, 23994, 11948, 4360, 1344, 3072, 10820, 41248, 117062, 168740, 117062, 41248, 10820, 3072, 6912, 26366]

cp's OEIS Frontend

A268798 T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.

Table of values

List of values