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A251305 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements 1
3609989, 3969434142, 4336649865709, 4729336342478281, 5160035123473951638, 5630923998265406722615, 6144539969766873395808341, 6704738093791104816375353249, 7315918137332464122401881746663 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A251308

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A235077 A214173 A183970 * A252499 A235970 A116221

Adjacent sequences:  A251302 A251303 A251304 * A251306 A251307 A251308

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified August 1 22:36 EDT 2021. Contains 346408 sequences. (Running on oeis4.)