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A186611 Number of (n+5)X6 binary arrays with every 6X6 subblock commuting with each horizontal and vertical neighbor 6X6 subblock 1
68719476736, 78654, 140552, 654700, 3764191, 15228305, 40150599, 71051374, 92432567, 100362959, 102231008, 103178472, 103876917, 104350491, 104707892, 105211636, 107578107, 118545697, 152992966, 220843564, 312840756, 413705226 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A186619

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

FORMULA

Empirical: a(n)=a(n-1)+a(n-4)-a(n-5)+a(n-6)-a(n-7)-a(n-10)+a(n-11)+a(n-12)-a(n-16) for n>26

EXAMPLE

Some solutions for 7X6

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A344667 A186610 A186619 * A017004 A017076 A017268

Adjacent sequences: A186608 A186609 A186610 * A186612 A186613 A186614

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 24 2011

STATUS

approved

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Last modified February 4 02:26 EST 2023. Contains 360045 sequences. (Running on oeis4.)