A279461 - cp's OEIS frontend

A279461 Number of n X 3 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	2
2	6
3	33
4	180
5	1024
6	5228
7	26670
8	134438
9	670407
10	3310176
11	16219930
12	78973826
13	382408399
14	1842856150
15	8843787665
16	42284752666
17	201514337962
18	957534960784
19	4537926120718
20	21454758254236
21	101215638872346
22	476553258095432

[2, 6, 33, 180, 1024, 5228, 26670, 134438, 670407, 3310176, 16219930, 78973826, 382408399, 1842856150, 8843787665, 42284752666, 201514337962, 957534960784, 4537926120718, 21454758254236, 101215638872346, 476553258095432]

cp's OEIS Frontend

A279461 Number of n X 3 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values