A205750 - cp's OEIS frontend

A205750 Number of (n+1)X6 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	2709
2	16986
3	240448
4	2244622
5	28155907
6	292986186
7	3496020388
8	37842800738
9	438825319336
10	4848489973070
11	55418134307368
12	618474318718042
13	7019335919990083
14	78727055787609808
15	890377168567158601

[2709, 16986, 240448, 2244622, 28155907, 292986186, 3496020388, 37842800738, 438825319336, 4848489973070, 55418134307368, 618474318718042, 7019335919990083, 78727055787609808, 890377168567158601]

cp's OEIS Frontend

A205750 Number of (n+1)X6 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