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a(n)=f(n,n-1) where f is given in A034261.
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%I #7 Mar 30 2012 18:56:26

%S 5,25,119,546,2442,10725,46475,199342,848198,3585946,15080870,

%T 63146500,263432340,1095517485,4543460595,18798494550,77616288750,

%U 319874637390,1316106144210,5407045011420,22184521682700,90910797617250,372137346502974

%N a(n)=f(n,n-1) where f is given in A034261.

%K nonn

%O 1,1

%A _Clark Kimberling_

%E Corrected and extended Apr 21 2000 - _N. J. A. Sloane_.