A205310 - cp's OEIS frontend

A205310 T(n,k)=Number of nXk 0..3 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..3 introduced in row major order.

n	a(n)
1	1
2	2
3	2
4	4
5	15
6	4
7	12
8	159
9	159
10	12
11	40
12	2191
13	7445
14	2191
15	40
16	143
17	31168
18	381958
19	381958
20	31168
21	143
22	528
23	447343
24	19490790
25	70985206
26	19490790
27	447343
28	528
29	1979
30	6427791
31	996536552
32	13049279920
33	13049279920
34	996536552
35	6427791
36	1979
37	7466
38	92387812

[1, 2, 2, 4, 15, 4, 12, 159, 159, 12, 40, 2191, 7445, 2191, 40, 143, 31168, 381958, 381958, 31168, 143, 528, 447343, 19490790, 70985206, 19490790, 447343, 528, 1979, 6427791, 996536552, 13049279920, 13049279920, 996536552, 6427791, 1979, 7466, 92387812]

cp's OEIS Frontend

A205310 T(n,k)=Number of nXk 0..3 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..3 introduced in row major order.

Table of values

List of values