A195564 Hypotenuses of primitive Pythagorean triples in A195561 and A195562.

1, 25, 41, 65, 1649, 2705, 4289, 108809, 178489, 283009, 7179745, 11777569, 18674305, 473754361, 777141065, 1232221121, 31260608081, 51279532721, 81307919681, 2062726378985, 3383672018521, 5365090477825, 136108680404929

Offset: 1

Author

Clark Kimberling, Sep 21 2011

Keywords

• nonn

Comments

See A195500 for discussion and list of related sequences; see A195562 for Mathematica program.

Crossrefs

Cf. A195500, A195562, A195563.

Formula

Empirical g.f.: -x*(x^5+x^4+x^3-41*x^2-25*x-1) / (x^6-66*x^3+1). - Colin Barker, Jun 04 2015