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A186606 Number of (n+4)X10 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock 1
403567, 23977, 44120, 90664, 126344, 169400, 176696, 178372, 180076, 182044, 185232, 193256, 217524, 264552, 338964, 470324, 613816, 815629, 1041906, 1297535, 1613300, 1949221, 2367731, 2857733, 3451499, 4236761, 5185671, 6418983, 7950064 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A186609

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..75

FORMULA

Empirical: a(n)=a(n-1)+a(n-3)-a(n-4)+a(n-5)-a(n-6)-a(n-8)+a(n-9)+a(n-10)-a(n-13) for n>20

EXAMPLE

Some solutions for 6X10

..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

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

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

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

CROSSREFS

Sequence in context: A234056 A157826 A215998 * A227711 A247305 A254025

Adjacent sequences:  A186603 A186604 A186605 * A186607 A186608 A186609

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 24 2011

STATUS

approved

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Last modified December 10 03:42 EST 2016. Contains 278993 sequences.