0,2

Row sums of A124819.

a(n)=sum{k=0..n, C(n+2k+1,3k+1)}

Sequence in context: A115239 A118365 A095716 this_sequence A022020 A049220 A094790

Adjacent sequences: A124817 A124818 A124819 this_sequence A124821 A124822 A124823

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Nov 08 2006