A195560 - OEIS

%I #5 Mar 30 2012 18:57:48

%S 0,3,60,161,559,660,3597,78480,208079,726481,856080,4669203,101866380,

%T 270087281,942970879,1111191780,6060621597,132222483360,350573081759,

%U 1223975475361,1442326073760,7866682164003,171624681534300,455043590036801

%N Numerators b(n) of Pythagorean approximations b(n)/a(n) to 2/3.

%C See A195500 for discussion and list of related sequences; see A195559 for Mathematica program.

%Y Cf. A195500, A195559, A195561.

%K nonn

%O 1,2

%A _Clark Kimberling_, Sep 21 2011