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A251247 Number of (n+1)X(6+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements 1
2911869, 3975606801, 5423196612609, 7397658897202791, 10090935221593972941, 13764744150100667222985, 18776074467676820865893649, 25611879095826060637986004629, 34936394682728788460192115698193 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251249

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A237210 A209795 A246054 * A205292 A205900 A071369

Adjacent sequences:  A251244 A251245 A251246 * A251248 A251249 A251250

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified April 25 16:08 EDT 2019. Contains 322461 sequences. (Running on oeis4.)