A279981 - cp's OEIS frontend

A279981 Number of 5Xn 0..1 arrays with no element equal to a strict majority of its horizontal 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	108
3	1650
4	15511
5	124030
6	887491
7	5870751
8	37029063
9	224989656
10	1329149598
11	7678897522
12	43562801122
13	243417797716
14	1342868232191
15	7327618165054
16	39607933952548
17	212329659406086
18	1129989079237450
19	5974847669219636

[0, 108, 1650, 15511, 124030, 887491, 5870751, 37029063, 224989656, 1329149598, 7678897522, 43562801122, 243417797716, 1342868232191, 7327618165054, 39607933952548, 212329659406086, 1129989079237450, 5974847669219636]

cp's OEIS Frontend

A279981 Number of 5Xn 0..1 arrays with no element equal to a strict majority of its horizontal 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