A222387 - cp's OEIS frontend

A222387 Sum of neighbor maps: number of 2Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 2Xn array.

n	a(n)
1	4
2	16
3	48
4	248
5	1024
6	3968
7	15872
8	65536
9	262144
10	1048576
11	4177632
12	16777216
13	67108864
14	268435456
15	1073479680
16	4294961152
17	17179869184
18	68719378432
19	274872664064
20	1099511627776
21	4398046511104
22	17592186044416
23	70368641459200

[4, 16, 48, 248, 1024, 3968, 15872, 65536, 262144, 1048576, 4177632, 16777216, 67108864, 268435456, 1073479680, 4294961152, 17179869184, 68719378432, 274872664064, 1099511627776, 4398046511104, 17592186044416, 70368641459200]

cp's OEIS Frontend

A222387 Sum of neighbor maps: number of 2Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 2Xn array.

Table of values

List of values