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A253737 Number of (n+2)X(5+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically 1
22236, 25012, 44332, 143080, 400068, 1059528, 3230352, 10458356, 31345596, 90751832, 283521828, 902287168, 2744697232, 8179125776, 25412894924, 79521551136, 243350008716, 735182296720, 2274754523660, 7051147684380 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A253740

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A210295 A060109 A217875 * A185608 A204148 A251825

Adjacent sequences:  A253734 A253735 A253736 * A253738 A253739 A253740

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 11 2015

STATUS

approved

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Last modified September 21 01:46 EDT 2021. Contains 347596 sequences. (Running on oeis4.)