A183864 - OEIS

%I #8 Mar 30 2012 18:57:13

%S 2,3,5,6,7,9,10,11,12,14,15,16,17,18,20,21,22,23,24,25,26,28,29,30,31,

%T 32,33,34,35,37,38,39,40,41,42,43,44,45,47,48,49,50,51,52,53,54,55,56,

%U 58,59,60,61,62,63,64,65,66,67,68,70,71,72,73,74,75,76,77,78,79,80,81,82,84,85,86,87,88,89,90,91,92,93,94,95,96,97,99,100,101,102,103,104,105,106,107,108,109,110,111,112

%N n+floor(sqrt(5*n/3)); complement of A183865.

%t a=5/3; b=0;

%t Table[n+Floor[(a*n+b)^(1/2)],{n,100}]

%t Table[n-1+Ceiling[(n*n-b)/a],{n,60}]

%Y Cf. A183865.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, Jan 07 2011