A205748 - cp's OEIS frontend

A205748 Number of (n+1)X4 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order.

n	a(n)
1	175
2	1074
3	8926
4	63838
5	507035
6	3797920
7	29561841
8	224378004
9	1731531322
10	13218640560
11	101623450551
12	777700795868
13	5969371745835
14	45729619667448
15	350767461372176
16	2688316203091256
17	20614685172668943
18	158022715770190920

[175, 1074, 8926, 63838, 507035, 3797920, 29561841, 224378004, 1731531322, 13218640560, 101623450551, 777700795868, 5969371745835, 45729619667448, 350767461372176, 2688316203091256, 20614685172668943, 158022715770190920]

cp's OEIS Frontend

A205748 Number of (n+1)X4 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order.

Table of values

List of values