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A253739 Number of (n+2)X(7+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically 1
222820, 148328, 243796, 922004, 3230352, 11094376, 40265740, 158864740, 622829668, 2349461712, 8925387720, 34829656816, 135741728872, 519828704980, 1994445578168, 7734803041588, 30010818872708, 115433535492588 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A253740

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A253990 A253997 A258907 * A274809 A180949 A165411

Adjacent sequences:  A253736 A253737 A253738 * A253740 A253741 A253742

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 11 2015

STATUS

approved

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Last modified September 18 14:52 EDT 2021. Contains 347527 sequences. (Running on oeis4.)