A216332 - cp's OEIS frontend

A216332 Number of horizontal and antidiagonal neighbor colorings of the even squares of an n X 2 array with new integer colors introduced in row major order.

n	a(n)
1	1
2	2
3	3
4	10
5	27
6	114
7	409
8	2066
9	9089
10	52922
11	272947
12	1788850
13	10515147
14	76282138
15	501178937
16	3974779402
17	28773452321
18	247083681522
19	1949230218691
20	17984917069018
21	153281759047387
22	1510073008031682
23	13806215066685433

[1, 2, 3, 10, 27, 114, 409, 2066, 9089, 52922, 272947, 1788850, 10515147, 76282138, 501178937, 3974779402, 28773452321, 247083681522, 1949230218691, 17984917069018, 153281759047387, 1510073008031682, 13806215066685433]

cp's OEIS Frontend

A216332 Number of horizontal and antidiagonal neighbor colorings of the even squares of an n X 2 array with new integer colors introduced in row major order.

Table of values

List of values