A259426 Number of (n+1) X (7+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0001 0011 or 0111.

16897, 1376077, 106118138, 8331704179, 650266054724, 50866278137234, 3975872829274865, 310861903249642571, 24302876708094703188, 1900054647395205833528, 148548577603845580636430

Offset: 1

Author

R. H. Hardin, Jun 26 2015

Keywords

• nonn

Comments

Column 7 of A259427.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210

Crossrefs

Cf. A259427.