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A186824 Half the number of (n+2)X10 binary arrays with each 3X3 subblock having sum 4 or 5 0
8730234, 390661554, 15639380661, 676967599202, 32322581577916, 1516683374850488, 72230087740874585 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A186825

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

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

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

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

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

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

CROSSREFS

Sequence in context: A015378 A337463 A151936 * A179577 A345617 A346334

Adjacent sequences: A186821 A186822 A186823 * A186825 A186826 A186827

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 27 2011

STATUS

approved

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Last modified November 29 18:13 EST 2022. Contains 358431 sequences. (Running on oeis4.)