A206863 - cp's OEIS frontend

A206863 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.

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	11092
14	4761
15	191
16	529
17	36481
18	192575
19	192575
20	36481
21	529
22	1465
23	279841
24	3425501
25	7598355
26	3425501
27	279841
28	1465
29	4057
30	2146225
31	61164640
32	314918295
33	314918295
34	61164640
35	2146225
36	4057
37	11235

[3, 9, 9, 25, 81, 25, 69, 625, 625, 69, 191, 4761, 11092, 4761, 191, 529, 36481, 192575, 192575, 36481, 529, 1465, 279841, 3425501, 7598355, 3425501, 279841, 1465, 4057, 2146225, 61164640, 314918295, 314918295, 61164640, 2146225, 4057, 11235]

cp's OEIS Frontend

A206863 T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.

Table of values

List of values