A206957 - cp's OEIS frontend

A206957 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.

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	11804
14	4761
15	191
16	529
17	36481
18	218637
19	218637
20	36481
21	529
22	1465
23	279841
24	4107593
25	9803278
26	4107593
27	279841
28	1465
29	4057
30	2146225
31	77359677
32	449797912
33	449797912
34	77359677
35	2146225
36	4057
37	11235

[3, 9, 9, 25, 81, 25, 69, 625, 625, 69, 191, 4761, 11804, 4761, 191, 529, 36481, 218637, 218637, 36481, 529, 1465, 279841, 4107593, 9803278, 4107593, 279841, 1465, 4057, 2146225, 77359677, 449797912, 449797912, 77359677, 2146225, 4057, 11235]

cp's OEIS Frontend

A206957 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.

Table of values

List of values