A195688 Numerators b(n) of Pythagorean approximations b(n)/a(n) to (1+sqrt(5))/2 (the golden ratio).

4, 15, 45, 3016, 7119, 700625, 424496, 569883075, 614724165, 29802502503, 147259295688, 1582627794499, 18634518228117, 1973646616563639, 1146044323606678197, 41830280831514255267, 370889360592907981397560, 26770920007080137664392439

Offset: 1

Author

Clark Kimberling, Sep 22 2011

Keywords

• nonn

Comments

See A195500 for discussion and list of related sequences; see A195687 for Mathematica program.

Crossrefs

Cf. A195500, A195687, A195689.