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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 24 2011
STATUS
approved

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Last modified June 20 03:21 EDT 2024. Contains 373512 sequences. (Running on oeis4.)