A207221 - cp's OEIS frontend

A207221 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row or column.

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	12534
14	4761
15	191
16	529
17	36481
18	247163
19	247163
20	36481
21	529
22	1465
23	279841
24	4916282
25	12584703
26	4916282
27	279841
28	1465
29	4057
30	2146225
31	97935886
32	647820815
33	647820815
34	97935886
35	2146225
36	4057
37	11235

[3, 9, 9, 25, 81, 25, 69, 625, 625, 69, 191, 4761, 12534, 4761, 191, 529, 36481, 247163, 247163, 36481, 529, 1465, 279841, 4916282, 12584703, 4916282, 279841, 1465, 4057, 2146225, 97935886, 647820815, 647820815, 97935886, 2146225, 4057, 11235]

cp's OEIS Frontend

A207221 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row or column.

Table of values

List of values