

A251399


Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements


1



9195809, 22875877611, 56631282128854, 140311657486510902, 347621346436641654516, 861234687688644770671972, 2133718605852583377537309624, 5286311814644085887392523805345
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

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


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



