A268809 - cp's OEIS frontend

A268809 T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once.

n	a(n)
1	3
2	9
3	9
4	24
5	34
6	24
7	60
8	104
9	104
10	60
11	144
12	290
13	332
14	290
15	144
16	336
17	772
18	1202
19	1202
20	772
21	336
22	768
23	1972
24	4158
25	5848
26	4158
27	1972
28	768
29	1728
30	4914
31	14308
32	28452
33	28452
34	14308
35	4914
36	1728
37	3840
38	12010
39	48460
40	135912
41	195384
42	135912
43	48460
44	12010
45	3840
46	8448

[3, 9, 9, 24, 34, 24, 60, 104, 104, 60, 144, 290, 332, 290, 144, 336, 772, 1202, 1202, 772, 336, 768, 1972, 4158, 5848, 4158, 1972, 768, 1728, 4914, 14308, 28452, 28452, 14308, 4914, 1728, 3840, 12010, 48460, 135912, 195384, 135912, 48460, 12010, 3840, 8448]

cp's OEIS Frontend

A268809 T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once.

Table of values

List of values