A186795 Half the number of (n+2)X10 binary arrays with each 3X3 subblock having a sum in 2..7

417653681, 355292192013, 300656729278809, 254759386224257430, 215829354195761109113, 182857140437300684443157, 154921287528965130422293553, 131253399322834546449506492207

Offset

1,1

Comments

Column 8 of A186796

Links

R. H. Hardin, Table of n, a(n) for n = 1..11

Example

Some solutions for 4X10 with a(1,1)=0
..0..0..0..0..0..0..0..1..1..1....0..0..0..0..0..0..0..1..1..0
..0..0..1..0..0..1..1..0..0..0....0..0..1..0..0..1..1..0..0..0
..0..0..1..0..0..1..1..0..0..0....0..0..1..0..0..1..0..0..1..1
..0..0..0..0..0..1..1..1..1..1....0..0..0..0..0..0..1..1..1..1

Crossrefs

Sequence in context: A038132 A101770 A323537 * A234193 A166024 A234396

Adjacent sequences: A186792 A186793 A186794 * A186796 A186797 A186798

Keyword

nonn

Author

R. H. Hardin Feb 26 2011

Status

approved