%I #4 Mar 30 2012 18:36:46

%S 1,2,5,17,72,357,2022,12900,91448,711180,6004981,54619489,531854438,

%T 5515551251,60642234815,704106298738,8603658260904,110306422692488,

%U 1479905106340895,20727595895871297,302423908621734606

%N Antidiagonal sums of table A060543.

%F a(n)=Sum_{k=0..n} C(n+(n-k)*k, (n-k)*k+k)).

%o (PARI) a(n)=sum(k=0,n,binomial(n+(n-k)*k,(n-k)*k+k))

%Y Cf. A108267, A060543, A108288.

%K nonn

%O 0,2

%A _Paul D. Hanna_, May 31 2005