%I #7 Mar 30 2012 18:57:48
%S 0,5,260,2289,4991,7020,94635,5103280,44852079,97850481,137599280,
%T 1855038645,100034487540,879190467169,1918065106671,2697221086300,
%U 36362467421275,1960876019662560,17233891492577759,37597912123131361
%N Numerators b(n) of Pythagorean approximations b(n)/a(n) to 2/5.
%C See A195500 for discussion and list of related sequences; see A195574 for Mathematica program.
%Y Cf. A195500, A195574, A195576.
%K nonn,frac
%O 1,2
%A _Clark Kimberling_, Sep 21 2011