%I #4 Mar 30 2012 18:57:26
%S 7,15,23,31,39,47,55,63,70,79,87,95,103,111,119,127,134,142,151,159,
%T 167,175,183,191,199,206,214,223,231,239,247,255,263,270,278,286,294,
%U 303,311,319,327,335,342,350,358,366,375,383,391,399,406,414,422,430,438,447,455,463,471,478,486,494,502,510,519,527,535,542,550
%N n+[nr/s]+[nt/s]; r=1, s=arctan(1/3), t=arctan(3).
%C See A189753.
%t (See A189753.)
%Y Cf. A189753, A189755.
%K nonn
%O 1,1
%A _Clark Kimberling_, Apr 26 2011