Search: id:A140943
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%I A140943
%S A140943 1,705432,79483257308,2543610972177184,31148053701600494400
%N A140943 Number of 11 X 11 matrices with elements in 0..n with each row and each 
               column in nondecreasing order. 11,11,n can be permuted, see formula.
%F A140943 (empirical) set p,q,r to n,11,11 (in any order) in s=p+q+r-1; a(n) = 
               product {i in 0..r-1} (binomial(s,p+i)*i!/(s-i)^(r-i-1))
%Y A140943 Sequence in context: A010084 A114676 A027829 this_sequence A134615 A083613 
               A083614
%Y A140943 Adjacent sequences: A140940 A140941 A140942 this_sequence A140944 A140945 
               A140946
%K A140943 nonn
%O A140943 0,2
%A A140943 Ron Hardin rhh(at)cadence.com, Jul 05 2008

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