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A050193 a(n)=a(n-1)+a(n-2)-d, where d=a(n/3) if 3 divides n, else d=0; 2 initial terms. 0

%I #4 Mar 30 2012 18:57:01

%S 1,1,1,2,3,4,7,11,17,28,45,71,116,187,300,487,787,1270,2057,3327,5377,

%T 8704,14081,22774,36855,59629,96467,156096,252563,408631,661194,

%U 1069825,1730974,2800799,4531773,7332501,11864274,19196775

%N a(n)=a(n-1)+a(n-2)-d, where d=a(n/3) if 3 divides n, else d=0; 2 initial terms.

%K nonn

%O 1,4

%A _Clark Kimberling_

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)