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A099829 Smallest perimeter S such that at least n distinct Pythagorean triangles with this perimeter can be constructed. +0
2
12, 60, 120, 240, 420, 720, 840, 840, 1680, 1680, 2520, 2520, 4620, 5040, 5040, 5040, 9240, 9240, 9240, 9240, 18480, 18480, 18480, 18480, 18480, 27720, 27720, 27720, 27720, 27720, 27720, 55440, 55440, 55440, 55440, 55440, 55440, 55440, 55440 (list; graph; listen)
OFFSET

1,1

LINKS

Ron Knott, Pythagorean Triples and Online Calculators

Eric Weisstein's World of Mathematics, Pythagorean Triple.

Index entries related to Pythagorean Triples.

EXAMPLE

a(3)=120 because 120 is the smallest possible perimeter for which 3 different Pythgorean triangles exist: 120=20+48+52=24+45+51=30+40+50.

CROSSREFS

Cf. A099830 first perimeter with exact match of number of Pythagorean triangles, A009096 ordered perimeters of Pythagorean triangles.

Sequence in context: A097191 A094807 A120644 this_sequence A099830 A000141 A008530

Adjacent sequences: A099826 A099827 A099828 this_sequence A099830 A099831 A099832

KEYWORD

nonn

AUTHOR

Hugo Pfoertner (hugo(AT)pfoertner.org), Oct 27 2004

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 29 2004

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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