A215954 - cp's OEIS frontend

A215954 Number of horizontal, vertical and diagonal neighbor colorings of the even squares of an nX3 array with new integer colors introduced in row major order.

n	a(n)
1	1
2	2
3	10
4	29
5	366
6	1534
7	35167
8	188835
9	6618472
10	42756208
11	2081922515
12	15590248868
13	993343650912
14	8414029179365
15	673316834487162
16	6340176007793060
17	618445940056365121
18	6390402969619162909
19	742701928727400476918

[1, 2, 10, 29, 366, 1534, 35167, 188835, 6618472, 42756208, 2081922515, 15590248868, 993343650912, 8414029179365, 673316834487162, 6340176007793060, 618445940056365121, 6390402969619162909, 742701928727400476918]

cp's OEIS Frontend

A215954 Number of horizontal, vertical and diagonal neighbor colorings of the even squares of an nX3 array with new integer colors introduced in row major order.

Table of values

List of values