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A187935 Number of (n+2)X6 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum 1
784, 2532, 50802, 544222, 7443374, 94215422, 1239704056, 16028160870, 210014267842, 2739861389924, 35857760790384, 468652663199984, 6133270491995848, 80239304961916882, 1050112527501425944 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A187940

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..86

EXAMPLE

Some solutions for 4X6

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

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

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

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

CROSSREFS

Sequence in context: A146978 A095954 A257355 * A258539 A250809 A255145

Adjacent sequences:  A187932 A187933 A187934 * A187936 A187937 A187938

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 16 2011

STATUS

approved

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Last modified October 21 05:02 EDT 2019. Contains 328291 sequences. (Running on oeis4.)