A208195 - cp's OEIS frontend

A208195 Number of n X 2 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.

n	a(n)
1	2
2	14
3	178
4	2653
5	41272
6	648569
7	10215440
8	160984657
9	2537249104
10	39990174809
11	630298266416
12	9934351303777
13	156578831693200
14	2467894630281641
15	38897365218137072
16	613075213064694577
17	9662896575843028048

[2, 14, 178, 2653, 41272, 648569, 10215440, 160984657, 2537249104, 39990174809, 630298266416, 9934351303777, 156578831693200, 2467894630281641, 38897365218137072, 613075213064694577, 9662896575843028048]

cp's OEIS Frontend

A208195 Number of n X 2 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.

Table of values

List of values