|
%I #3 Mar 30 2012 18:59:00
%S 1,2,3,5,9,18,39,91,226,594,1643,4763,14419,45444,148714,504150,
%T 1766930,6390720,23815168,91306968,359694457,1454213026,6027213531,
%U 25583995337,111118605583,493407322280,2238131105770,10363617299670,48954143141361
%N Sums of antidiagonals of A099233.
%F a(n)=sum{j=0..n, sum{k=0..n-j, binomial(j(n-j-k), k)}}
%K easy,nonn
%O 0,2
%A _Paul Barry_, Oct 08 2004
|
