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A186618 Number of (n+5)X13 binary arrays with every 6X6 subblock commuting with each horizontal and vertical neighbor 6X6 subblock 1
71051374, 1448220, 1965243, 3211547, 4814107, 6088635, 6908987, 7083459, 7094123, 7105051, 7118703, 7144519, 7236451, 7671567, 8852923, 10601915, 12550863, 15879079, 21192483, 26939447, 33443315, 42291988, 51354269, 61821634 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A186619

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..30

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>25

EXAMPLE

Some solutions for 7X13

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

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

..0..0..0..0..0..0..0..0..0..0..0..0..0

..0..0..0..0..0..0..0..0..0..0..0..0..0

..0..0..0..0..0..0..0..0..0..0..0..0..0

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

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

CROSSREFS

Sequence in context: A172608 A294989 A204405 * A186597 A216008 A237075

Adjacent sequences:  A186615 A186616 A186617 * A186619 A186620 A186621

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 24 2011

STATUS

approved

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Last modified June 19 12:57 EDT 2019. Contains 324222 sequences. (Running on oeis4.)