A195612 Hypotenuses of primitive Pythagorean triples in A195580 and A195611.

5, 769, 3329, 20485, 3151361, 13642241, 83947525, 12914276609, 55905900289, 344016936965, 52922702392321, 229102365742081, 1409781323735045, 216877221489454849, 938861438905147649, 5777283520649277445, 888762800741083578881

Offset

1,1

Comments

See A195500 for discussion and list of related sequences; see A195580 for Mathematica program.

Links

Table of n, a(n) for n=1..17.

Formula

Empirical g.f.: -x*(x^5+x^4+5*x^3-3329*x^2-769*x-5) / (x^6-4098*x^3+1). - Colin Barker, Jun 04 2015

Crossrefs

Cf. A195500, A195580, A195611.

Sequence in context: A171269 A172890 A332175 * A051304 A297921 A298545

Adjacent sequences: A195609 A195610 A195611 * A195613 A195614 A195615

Keyword

nonn

Author

Clark Kimberling, Sep 21 2011

Status

approved