A205469 - cp's OEIS frontend

A205469 Number of (n+1)X3 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.

n	a(n)
1	48
2	263
3	1548
4	9654
5	61978
6	405702
7	2686876
8	17926060
9	120146998
10	807610262
11	5438698312
12	36669657896
13	247432193154
14	1670424338586
15	11280890946852
16	76200323465372
17	514795456961870
18	3478208969481038
19	23502035785763264

[48, 263, 1548, 9654, 61978, 405702, 2686876, 17926060, 120146998, 807610262, 5438698312, 36669657896, 247432193154, 1670424338586, 11280890946852, 76200323465372, 514795456961870, 3478208969481038, 23502035785763264]

cp's OEIS Frontend

A205469 Number of (n+1)X3 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.

Table of values

List of values