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A026647 Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026637. 1

%I #6 Mar 30 2012 18:56:09

%S 1,1,2,3,6,10,17,27,45,73,119,192,312,505,818,1323,2142,3466,5609,

%T 9075,14685,23761,38447,62208,100656,162865,263522,426387,689910,

%U 1116298,1806209,2922507,4728717,7651225,12379943,20031168

%N Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026637.

%F G.f.: (x^6+x^5+1)/[(1-x^4)(1-x-x^2)].

%K nonn

%O 0,3

%A _Clark Kimberling_

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Last modified April 23 05:59 EDT 2024. Contains 371906 sequences. (Running on oeis4.)