A195612 - OEIS

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

(list; graph; refs; listen; history; text; internal format)

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