A281806 - cp's OEIS frontend

A281806 Number of 5Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal 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	87
3	865
4	8354
5	71445
6	575062
7	4480480
8	33526931
9	246399359
10	1768719496
11	12506519769
12	87220471545
13	600957372469
14	4100864353926
15	27733540904781
16	186134535819880
17	1240811810649533
18	8221127809327654
19	54176483907555951

[0, 87, 865, 8354, 71445, 575062, 4480480, 33526931, 246399359, 1768719496, 12506519769, 87220471545, 600957372469, 4100864353926, 27733540904781, 186134535819880, 1240811810649533, 8221127809327654, 54176483907555951]

cp's OEIS Frontend

A281806 Number of 5Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal 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