A279489 - cp's OEIS frontend

A279489 Number of nX3 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	0
2	5
3	38
4	254
5	1433
6	8330
7	46095
8	250440
9	1332366
10	6989712
11	36235705
12	185945098
13	945895078
14	4775688338
15	23953618305
16	119447804293
17	592560152936
18	2925941530150
19	14387128139448
20	70473511001771
21	344006151796898

[0, 5, 38, 254, 1433, 8330, 46095, 250440, 1332366, 6989712, 36235705, 185945098, 945895078, 4775688338, 23953618305, 119447804293, 592560152936, 2925941530150, 14387128139448, 70473511001771, 344006151796898]

cp's OEIS Frontend

A279489 Number of nX3 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values