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A253870 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
21426176, 1655991552, 114921882112, 8415694011136, 581987474157824, 41030428849264384, 2875255935248467200, 201731703872924598016, 14106287920390974847744, 987973194711235568769792 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A253871

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..54

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A189123 A206108 A034613 * A253877 A253543 A334372

Adjacent sequences:  A253867 A253868 A253869 * A253871 A253872 A253873

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2015

STATUS

approved

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Last modified August 8 12:30 EDT 2022. Contains 356009 sequences. (Running on oeis4.)