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A253819 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically 1
2201616, 7125170, 19727216, 64664493, 232090516, 681245242, 1124641848, 2291068882, 6153419870, 17431190894, 49973500334, 132892076022, 373427021268, 1052015397559, 3106587640168, 8754985398611, 24439371115678, 67329937821441 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A253820

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..68

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A019289 A254803 A254810 * A307963 A172802 A172851

Adjacent sequences:  A253816 A253817 A253818 * A253820 A253821 A253822

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 14 2015

STATUS

approved

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Last modified July 12 17:40 EDT 2020. Contains 335665 sequences. (Running on oeis4.)