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%I #5 Mar 30 2012 18:57:48
%S 4,15,45,3016,7119,700625,424496,569883075,614724165,29802502503,
%T 147259295688,1582627794499,18634518228117,1973646616563639,
%U 1146044323606678197,41830280831514255267,370889360592907981397560,26770920007080137664392439
%N Numerators b(n) of Pythagorean approximations b(n)/a(n) to (1+sqrt(5))/2 (the golden ratio).
%C See A195500 for discussion and list of related sequences; see A195687 for Mathematica program.
%Y Cf. A195500, A195687, A195689.
%K nonn
%O 1,1
%A _Clark Kimberling_, Sep 22 2011