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A186793 Half the number of (n+2)X8 binary arrays with each 3X3 subblock having a sum in 2..7 1
6932452, 1541462868, 341441530745, 75702797880635, 16782289067411968, 3720538199779806652, 824819184923132441809, 182857140437300684443157, 40538257169883455074808457, 8987072257793266411309168370 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A186796

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

EXAMPLE

Some solutions for 4X8 with a(1,1)=0

..0..0..0..0..0..0..1..1....0..0..0..0..0..1..1..0....0..0..0..0..0..1..1..0

..0..0..1..0..1..1..0..0....0..0..1..0..1..0..0..1....0..0..1..0..0..0..1..0

..0..0..1..0..1..0..0..0....0..0..1..1..0..1..0..1....0..0..1..0..1..0..1..1

..0..0..0..0..1..0..0..1....0..0..0..0..0..0..0..1....0..0..0..0..1..0..0..1

CROSSREFS

Sequence in context: A251982 A323497 A323806 * A157797 A106786 A206634

Adjacent sequences:  A186790 A186791 A186792 * A186794 A186795 A186796

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 26 2011

STATUS

approved

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Last modified May 22 05:51 EDT 2022. Contains 353933 sequences. (Running on oeis4.)