

A251440


Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements


1



46227589, 163787201307, 528079828285838, 1763553101217607559, 5809497281904741777928, 19237738468135258125727548, 63577339993396485656457199590, 210274431115789207766004659990778
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

Some solutions for n=1
..0..0..0..2..1..2..1....0..0..0..1..3..2..2....0..0..0..0..0..0..3
..0..0..0..2..1..2..0....0..0..2..1..1..0..1....0..2..0..2..0..1..1


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



