A231771 Number of (7+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one

784, 338352, 18318400, 893571840, 85629975876, 8624298007460, 682267982467600, 52970839821218880, 4456718983049324644, 378011756367282007468, 31157229662166847152384, 2561630098398545354807964

Offset

1,1

Comments

Row 7 of A231764

Links

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

Example

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

Crossrefs

Sequence in context: A188782 A184601 A151658 * A366829 A252389 A159896

Adjacent sequences: A231768 A231769 A231770 * A231772 A231773 A231774

Keyword

nonn

Author

R. H. Hardin, Nov 13 2013

Status

approved