0,2

Eric Weisstein's World of Mathematics, Category

a(n) = Sum_{k=1}^{n+1} A125699(n+k,k}

Cf. A125696, A125699, A125701.

Sequence in context: A019477 A019478 A151327 this_sequence A037766 A037654 A074561

Adjacent sequences: A125697 A125698 A125699 this_sequence A125701 A125702 A125703

bref,hard,more,nonn

Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net) and Christian Bower (bowerc(AT)usa.net), Jan 05 2007