A207989 - cp's OEIS frontend

A207989 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.

n	a(n)
1	3
2	9
3	9
4	25
5	81
6	25
7	69
8	625
9	625
10	69
11	191
12	4761
13	12468
14	4761
15	191
16	529
17	36481
18	244325
19	244325
20	36481
21	529
22	1465
23	279841
24	4827482
25	12271227
26	4827482
27	279841
28	1465
29	4057
30	2146225
31	95527856
32	622569385
33	622569385
34	95527856
35	2146225
36	4057
37	11235

[3, 9, 9, 25, 81, 25, 69, 625, 625, 69, 191, 4761, 12468, 4761, 191, 529, 36481, 244325, 244325, 36481, 529, 1465, 279841, 4827482, 12271227, 4827482, 279841, 1465, 4057, 2146225, 95527856, 622569385, 622569385, 95527856, 2146225, 4057, 11235]

cp's OEIS Frontend

A207989 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.

Table of values

List of values