A231375 Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

2, 10, 93, 2539, 209118, 54485279, 42978519280, 103861521149940, 768825093368064218, 17400837260687664224580, 1205024418040758639132121433, 255358434130512785761464119154485

Offset: 1

Author

R. H. Hardin, Nov 08 2013

Keywords

• nonn

Comments

Diagonal of A231382

Examples

			Some solutions for n=3
..0..0..1....1..0..0....0..0..1....1..0..0....0..0..0....0..0..1....0..1..0
..0..0..1....0..0..1....0..0..1....1..0..0....1..0..1....0..0..0....0..0..0
..0..0..0....0..1..1....0..0..1....1..1..0....1..0..0....0..0..0....0..0..1