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Number of 7X7 0..n arrays with rows and columns in lexicographically nondecreasing order
0

%I #3 Sep 29 2013 18:59:00

%S 836488618,132171590850720635,122233352821430587249163,

%T 5614157616366023545393324521,37429493951522536724740382711237,

%U 65195331584280599878464161050608017

%N Number of 7X7 0..n arrays with rows and columns in lexicographically nondecreasing order

%C Row 7 of A229794

%e Some solutions for n=1

%e ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0

%e ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0

%e ..0..0..0..0..0..0..0....0..0..0..0..0..0..1....0..0..0..0..0..0..1

%e ..0..0..0..0..0..1..1....0..0..0..0..1..1..0....0..0..0..0..0..0..1

%e ..0..0..1..1..1..0..0....0..0..0..0..1..1..0....0..0..0..1..1..1..1

%e ..0..1..0..0..1..1..1....0..0..0..1..0..1..0....0..1..1..0..1..1..1

%e ..1..0..0..0..1..0..0....1..1..1..0..1..1..1....1..0..0..0..0..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 29 2013