A183526 - cp's OEIS frontend

A183526 T(n,k)=Number of nXk 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.

n	a(n)
1	1
2	3
3	3
4	5
5	9
6	5
7	7
8	31
9	31
10	7
11	13
12	95
13	101
14	95
15	13
16	23
17	309
18	543
19	543
20	309
21	23
22	37
23	911
24	2233
25	3507
26	2233
27	911
28	37
29	63
30	2803
31	10003
32	27609
33	27609
34	10003
35	2803
36	63
37	109
38	8673
39	47685
40	201833
41	371691
42	201833
43	47685
44	8673
45	109
46	183
47	26619
48	215451
49	1521573
50	4406933

[1, 3, 3, 5, 9, 5, 7, 31, 31, 7, 13, 95, 101, 95, 13, 23, 309, 543, 543, 309, 23, 37, 911, 2233, 3507, 2233, 911, 37, 63, 2803, 10003, 27609, 27609, 10003, 2803, 63, 109, 8673, 47685, 201833, 371691, 201833, 47685, 8673, 109, 183, 26619, 215451, 1521573, 4406933]

cp's OEIS Frontend

A183526 T(n,k)=Number of nXk 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.

Table of values

List of values