A222906 - cp's OEIS frontend

A222906 T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	5
7	4
8	7
9	14
10	15
11	5
12	25
13	45
14	75
15	51
16	14
17	92
18	373
19	767
20	411
21	187
22	17
23	403
24	1202
25	7794
26	4909
27	2522
28	715
29	75
30	1710
31	18981
32	101398
33	180203
34	119393
35	15919
36	2795
37	95
38	8021
39	82020
40	1346067
41	2117424
42	4320431
43	759891
44	103627
45	11051
46	411
47	36160

[1, 1, 2, 1, 4, 5, 4, 7, 14, 15, 5, 25, 45, 75, 51, 14, 92, 373, 767, 411, 187, 17, 403, 1202, 7794, 4909, 2522, 715, 75, 1710, 18981, 101398, 180203, 119393, 15919, 2795, 95, 8021, 82020, 1346067, 2117424, 4320431, 759891, 103627, 11051, 411, 36160]

cp's OEIS Frontend

A222906 T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Table of values

List of values