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A229777
Number of 5X5 0..n arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order
1
252, 2179956, 3062815568, 843211336888, 81937334158292, 3896490956821414, 110102810429666544, 2093314279759590565, 29136130649614970102, 315228320642171324718, 2770642691605055402356, 20456013945849864263232
OFFSET
1,1
COMMENTS
Row 5 of A229774
LINKS
EXAMPLE
Some solutions for n=1
..1..0..0..0..0....0..0..0..0..0....1..1..0..0..0....0..0..0..0..0
..1..0..0..0..0....1..1..0..0..0....1..1..0..0..0....0..0..0..0..0
..1..0..0..0..0....1..1..1..0..0....1..1..0..0..0....1..1..1..0..0
..1..1..0..0..0....1..1..1..0..0....1..1..0..0..0....1..1..1..0..0
..1..1..1..1..0....1..1..1..1..0....1..1..1..1..0....1..1..1..1..0
CROSSREFS
Sequence in context: A172557 A068275 A068287 * A083957 A172656 A172760
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 29 2013
STATUS
approved