A185533 Number of (n+2)X10 binary arrays with each 3X3 subblock nonsingular

3818262, 180225834, 8169865470, 353516027506, 15816011545490, 703501386832854, 31129923319285058, 1383146517309461758, 61410685014516310078, 2724694661680642563326, 120955716134461597608780

Offset

1,1

Comments

Column 8 of A185534

Links

R. H. Hardin, Table of n, a(n) for n = 1..12

Example

Some solutions for 4X10
..0..0..1..0..1..0..0..1..0..0....0..0..1..0..1..1..0..1..0..1
..0..1..0..1..1..1..0..0..1..1....0..1..0..0..1..0..1..0..1..0
..1..0..0..1..0..0..1..0..1..0....1..0..0..1..0..1..0..0..1..1
..0..0..1..0..1..0..1..1..1..0....0..0..1..0..0..1..1..1..0..0

Crossrefs

Sequence in context: A083601 A209516 A159825 * A206413 A253869 A253876

Adjacent sequences: A185530 A185531 A185532 * A185534 A185535 A185536

Keyword

nonn

Author

R. H. Hardin Jan 30 2011

Status

approved