A231757 Number of (n+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one

9, 136, 5041, 493695, 175642009, 216545491864, 682267982467600, 6184663140527966655, 184835030323441507989529, 17039092957711747812559207879, 4549223325244087259619117440725081

Offset

1,1

Comments

Diagonal of A231764

Links

R. H. Hardin, Table of n, a(n) for n = 1..13

Example

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

Crossrefs

Sequence in context: A003376 A253879 A309189 * A156975 A081876 A139760

Adjacent sequences: A231754 A231755 A231756 * A231758 A231759 A231760

Keyword

nonn

Author

R. H. Hardin, Nov 13 2013

Status

approved