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Floor(((15+sqrt(5))/11)n); complement of A187341.
2

%I #4 Mar 30 2012 18:57:19

%S 1,3,4,6,7,9,10,12,14,15,17,18,20,21,23,25,26,28,29,31,32,34,36,37,39,

%T 40,42,43,45,47,48,50,51,53,54,56,57,59,61,62,64,65,67,68,70,72,73,75,

%U 76,78,79,81,83,84,86,87,89,90,92,94,95,97,98,100,101,103,104,106,108,109,111,112,114,115,117,119,120,122,123,125

%N Floor(((15+sqrt(5))/11)n); complement of A187341.

%F a(n)=floor(((15+sqrt(5))/11)n).

%t Table[Floor[((15+5^(1/2))/11)n], {n,1,80}]

%Y A187341.

%K nonn

%O 1,2

%A _Clark Kimberling_, Mar 08 2011