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Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026659.
0

%I #5 Mar 30 2012 18:56:09

%S 1,1,2,3,6,10,17,27,45,73,132,218,379,598,1027,1653,2962,4821,8453,

%T 13323,23187,37071,66416,107042,188815,297120,521383,829285,1487461,

%U 2380551,4218913,6627388,11699366,18532709,33286273,52988697

%N Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026659.

%K nonn

%O 0,3

%A _Clark Kimberling_