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A251490 Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements 1
2319053056, 84982973330688, 3111780313414886566, 113935706529820385852096, 4171660889647765001349774656, 152741708226257877188571836140832, 5592502682614387617928036405017785714 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A251491

LINKS

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

EXAMPLE

Some solutions for n=1

..0..0..0..0..2..2..1..2....0..0..0..0..3..1..1..2....0..0..0..0..3..2..2..1

..0..0..0..3..2..2..1..0....0..0..0..2..2..2..1..1....0..0..0..0..2..0..2..1

CROSSREFS

Sequence in context: A180688 A225760 A022240 * A277720 A090875 A132907

Adjacent sequences:  A251487 A251488 A251489 * A251491 A251492 A251493

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2014

STATUS

approved

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Last modified March 29 14:58 EDT 2020. Contains 333107 sequences. (Running on oeis4.)