A223041 - cp's OEIS frontend

A223041 T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

n	a(n)
1	1
2	1
3	2
4	2
5	8
6	5
7	11
8	98
9	105
10	15
11	34
12	1265
13	3780
14	1585
15	51
16	131
17	17356
18	229437
19	255943
20	23107
21	187
22	438
23	241583
24	8580619
25	42964721
26	10904199
27	353631
28	715
29	2150
30	3395532
31	545607733
32	7361951209
33	8206670940
34	751990800
35	5338646
36	2795
37	7676
38	48048796

[1, 1, 2, 2, 8, 5, 11, 98, 105, 15, 34, 1265, 3780, 1585, 51, 131, 17356, 229437, 255943, 23107, 187, 438, 241583, 8580619, 42964721, 10904199, 353631, 715, 2150, 3395532, 545607733, 7361951209, 8206670940, 751990800, 5338646, 2795, 7676, 48048796]

cp's OEIS Frontend

A223041 T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Table of values

List of values