A219076 Number of n X 6 binary arrays with every 0 a horizontal, diagonal or antidiagonal neighbor to some 1.

31, 2435, 134809, 7561349, 433704331, 24734141495, 1410242020653, 80444813963129, 4588436794733591, 261712432286491659, 14927540586501299193, 851435525780779197693, 48564066186463152044491, 2769991245247350703909311, 157994420647862138342772221, 9011666251430572124604565937

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..66

Example

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

Crossrefs

Column 6 of A219078.

Sequence in context: A292706 A212156 A297806 * A072019 A157696 A159583

Adjacent sequences: A219073 A219074 A219075 * A219077 A219078 A219079

Keyword

nonn,changed

Author

R. H. Hardin, Nov 11 2012

Extensions

New name from Andrew Howroyd, Jul 15 2026

Status

approved