A208353 - cp's OEIS frontend

A208353 T(n,k) is the number of n X k 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).

n	a(n)
1	1
2	2
3	2
4	5
5	15
6	5
7	15
8	100
9	100
10	15
11	51
12	868
13	1095
14	868
15	51
16	187
17	7780
18	12625
19	12625
20	7780
21	187
22	715
23	69988
24	153237
25	230387
26	153237
27	69988
28	715
29	2795
30	629860
31	1901508
32	4773885
33	4773885
34	1901508
35	629860
36	2795
37	11051
38	5668708
39	23658861
40	103672036

[1, 2, 2, 5, 15, 5, 15, 100, 100, 15, 51, 868, 1095, 868, 51, 187, 7780, 12625, 12625, 7780, 187, 715, 69988, 153237, 230387, 153237, 69988, 715, 2795, 629860, 1901508, 4773885, 4773885, 1901508, 629860, 2795, 11051, 5668708, 23658861, 103672036]

cp's OEIS Frontend

A208353 T(n,k) is the number of n X k 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).

Table of values

List of values