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.
0, 108, 1650, 15511, 124030, 887491, 5870751, 37029063, 224989656, 1329149598, 7678897522, 43562801122, 243417797716, 1342868232191, 7327618165054, 39607933952548, 212329659406086, 1129989079237450, 5974847669219636
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..0..1. .0..1..0..1. .0..1..0..1. .0..0..0..1. .0..1..0..1 ..0..0..1..1. .0..1..0..1. .0..1..0..1. .0..1..0..0. .1..0..0..1 ..0..1..0..0. .1..0..0..1. .1..0..1..1. .0..0..1..1. .1..1..1..1 ..0..1..1..0. .1..0..1..1. .0..0..1..0. .1..1..0..1. .0..1..0..1 ..0..1..0..1. .0..1..0..0. .1..0..1..0. .0..1..0..1. .0..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A279977.
Comments