A221695 - cp's OEIS frontend

A221695 Number of 3Xn arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.

n	a(n)
1	1
2	144
3	3112
4	95076
5	2627760
6	74531185
7	2098932856
8	59210733473
9	1669668324450
10	47086135048676
11	1327854674388881
12	37446255355092156
13	1056006037475086696
14	29779973215497145163
15	839812326958816104725
16	23683188619380401285537

[1, 144, 3112, 95076, 2627760, 74531185, 2098932856, 59210733473, 1669668324450, 47086135048676, 1327854674388881, 37446255355092156, 1056006037475086696, 29779973215497145163, 839812326958816104725, 23683188619380401285537]

cp's OEIS Frontend

A221695 Number of 3Xn arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.

Table of values

List of values