Search: id:A113140
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%I A113140
%S A113140 1,3,14,68,347,1819,9712,52532,286905,1578679,8738278,48601968,
%T A113140 271406347,1520725095,8545396208,48138689272,271768537793,1537212749339,
%U A113140 8709732836238,49423440297324,280835252080651,1597731101233763
%N A113140 Diagonal sums of a Delannoy related triangle.
%C A113140 Diagonal sums of A113139.
%F A113140 a(n)=sum{k=0..floor(n/2), sum{j=0..n-k, C(n-2k, j)C(n-k+j, k+j)}}.
%Y A113140 Sequence in context: A151322 A002320 A151323 this_sequence A151324 A121185 
               A151325
%Y A113140 Adjacent sequences: A113137 A113138 A113139 this_sequence A113141 A113142 
               A113143
%K A113140 easy,nonn
%O A113140 0,2
%A A113140 Paul Barry (pbarry(AT)wit.ie), Oct 15 2005

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