A205247 Number of (n+1)X(n+1) 0..1 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

16, 168, 5212, 387328, 67731268, 27913330476, 27149753088796, 62383316832685352, 338853014329060508764, 4353185098169744392741452, 132316928041105714306034574484, 9518293354852895518368238072987356

Offset: 1

Author

R. H. Hardin Jan 24 2012

Keywords

• nonn

Comments

Diagonal of A205255

Examples

			Some solutions for n=4
..1..0..0..0..0....1..0..0..0..0....1..1..1..1..1....0..0..0..1..0
..1..1..0..1..0....1..0..1..0..1....1..1..1..1..1....1..1..0..1..0
..1..0..0..1..1....1..0..1..1..1....1..1..1..1..1....0..0..0..0..0
..1..1..1..1..0....1..1..1..0..1....1..1..1..1..1....1..1..0..1..0
..0..0..1..0..0....0..1..0..0..1....1..1..1..1..1....1..0..0..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..14