%I
%S 0,1,15,125,814,4641,24388,121380,581400,2707386,12339569,55304535,
%T 244567050,1069784625,4637437560,19951650840,85290143760,362608278750,
%U 1534330716750,6465583372794,27147098904156,113618646478106,474177584413720
%N a(n)=f(n,n+4) where f is given in A034261.
%K nonn
%O 0,3
%A _Clark Kimberling_
%E Corrected and extended Apr 21 2000  _N. J. A. Sloane_.
