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%I #4 Mar 30 2012 18:58:59
%S 1,2,5,20,49,210,429,2860,7293,34034,113373,537472,1359507,6611810,
%T 24627135,37917616,177181213,973514514,1647439975,12026570280,
%U 17818756259,98555142278,502860886675,4577646742140,6402665244089
%N Row sums of a matrix associated to the inverse of a Catalan scaled binomial matrix.
%C Row sums of A098509.
%F a(n)=sum{k=0..n, denominator((n+1)binomial(n, k)/binomial(2n, n))}
%K easy,nonn
%O 0,2
%A _Paul Barry_, Sep 11 2004
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