A279129 - cp's OEIS frontend

A279129 Number of nX3 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	0
2	9
3	66
4	256
5	820
6	2551
7	7491
8	21131
9	57971
10	155551
11	409876
12	1064002
13	2727560
14	6917391
15	17381168
16	43320628
17	107203164
18	263611545
19	644549767
20	1567944409
21	3796630655
22	9154650571
23	21989697066
24	52634342562
25	125577952504
26	298716701553

[0, 9, 66, 256, 820, 2551, 7491, 21131, 57971, 155551, 409876, 1064002, 2727560, 6917391, 17381168, 43320628, 107203164, 263611545, 644549767, 1567944409, 3796630655, 9154650571, 21989697066, 52634342562, 125577952504, 298716701553]

cp's OEIS Frontend

A279129 Number of nX3 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values