login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A224910 Positive integer solutions to 1/p + 1/q + 1/r = 1 by lexicographic order. 0
2, 3, 6, 2, 4, 4, 3, 3, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..8.

Frits Beukers, The generalized Fermat equation.

EXAMPLE

The sequence consists of the three triples {2, 3, 6}, {2, 4, 4}, {3, 3, 3}.

MATHEMATICA

{p, q, r} /. {ToRules @ Reduce[0 < p <= q <= r <= 6 && 1/p + 1/q + 1/r == 1, {p, q, r}, Integers]} // Flatten

CROSSREFS

Cf. A030659.

Sequence in context: A132041 A225820 A153634 * A275734 A216993 A073546

Adjacent sequences:  A224907 A224908 A224909 * A224911 A224912 A224913

KEYWORD

nonn,fini,full

AUTHOR

Jean-Fran├žois Alcover, Apr 19 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 26 09:33 EST 2020. Contains 332277 sequences. (Running on oeis4.)