A221664 - cp's OEIS frontend

A221664 Sum of neighbor maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 n X 3 array.

n	a(n)
1	8
2	64
3	512
4	3772
5	32768
6	262144
7	2097152
8	16777216
9	134140928
10	1073741824
11	8589934592
12	68719476736
13	549755813888
14	4398033385216
15	35184372088832
16	281474976710656
17	2251799813685248
18	18014398509481984
19	144115185909972992

[8, 64, 512, 3772, 32768, 262144, 2097152, 16777216, 134140928, 1073741824, 8589934592, 68719476736, 549755813888, 4398033385216, 35184372088832, 281474976710656, 2251799813685248, 18014398509481984, 144115185909972992]

cp's OEIS Frontend

A221664 Sum of neighbor maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 n X 3 array.

Table of values

List of values