A232001 Number of (4+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one

64, 800, 8464, 80511, 674041, 6257919, 59351616, 552794085, 5097817201, 47195896740, 438136762561, 4064453149200, 37678579570944, 349334350156955, 3239408289640000, 30038648311142380, 278531798728132161

Offset

1,1

Comments

Row 4 of A231997

Links

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

Example

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

Crossrefs

Sequence in context: A181889 A236182 A164280 * A185299 A250281 A283547

Adjacent sequences: A231998 A231999 A232000 * A232002 A232003 A232004

Keyword

nonn

Author

R. H. Hardin, Nov 16 2013

Status

approved