A284329 - cp's OEIS frontend

A284329 Number of n X 3 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

n	a(n)
1	3
2	13
3	49
4	415
5	2243
6	19385
7	122495
8	1021999
9	7013557
10	56860451
11	409700413
12	3264497171
13	24241023451
14	191315053703
15	1447951944431
16	11372354830403
17	87138438742684
18	682980793270605
19	5276292595391119
20	41334416149705333

[3, 13, 49, 415, 2243, 19385, 122495, 1021999, 7013557, 56860451, 409700413, 3264497171, 24241023451, 191315053703, 1447951944431, 11372354830403, 87138438742684, 682980793270605, 5276292595391119, 41334416149705333]

cp's OEIS Frontend

A284329 Number of n X 3 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

Table of values

List of values