A195575 Numerators b(n) of Pythagorean approximations b(n)/a(n) to 2/5.

0, 5, 260, 2289, 4991, 7020, 94635, 5103280, 44852079, 97850481, 137599280, 1855038645, 100034487540, 879190467169, 1918065106671, 2697221086300, 36362467421275, 1960876019662560, 17233891492577759, 37597912123131361

Offset: 1

Author

Clark Kimberling, Sep 21 2011

Keywords

• nonn
• frac

Comments

See A195500 for discussion and list of related sequences; see A195574 for Mathematica program.

Crossrefs

Cf. A195500, A195574, A195576.