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A229778 Number of 6X6 0..n arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order 0
924, 1976588468, 90462380211862, 322942973130396495, 245200063296427870294, 65350451915118676316696, 8161432175844147542615052, 573385480689864447112662651, 25636132281885860529849116700 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A229774

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..0....1..1..1..1..1..1....1..0..0..0..0..0....1..0..0..0..0..0

..1..0..0..0..0..0....1..1..1..1..1..1....1..0..0..0..0..0....1..0..0..0..0..0

..1..1..1..0..0..0....1..1..1..1..1..1....1..0..0..0..0..0....1..0..0..0..0..0

..1..1..1..1..1..0....1..1..1..1..1..1....1..1..1..0..0..0....1..0..0..0..0..0

..1..1..1..1..1..1....1..1..1..1..1..1....1..1..1..1..1..0....1..1..0..0..0..0

..1..1..1..1..1..1....1..1..1..1..1..1....1..1..1..1..1..0....1..1..1..0..0..0

CROSSREFS

Sequence in context: A177306 A248814 A172558 * A172657 A172761 A172830

Adjacent sequences:  A229775 A229776 A229777 * A229779 A229780 A229781

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 29 2013

STATUS

approved

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Last modified October 26 14:28 EDT 2021. Contains 348267 sequences. (Running on oeis4.)