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A185533 Number of (n+2)X10 binary arrays with each 3X3 subblock nonsingular 1
3818262, 180225834, 8169865470, 353516027506, 15816011545490, 703501386832854, 31129923319285058, 1383146517309461758, 61410685014516310078, 2724694661680642563326, 120955716134461597608780 (list; graph; refs; listen; history; text; internal format)
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

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Last modified February 26 13:59 EST 2021. Contains 341632 sequences. (Running on oeis4.)