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A099829 Smallest perimeter S such that at least n distinct Pythagorean triangles with this perimeter can be constructed. 1
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; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

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: A273691 A094807 A120644 * A099830 A158443 A153792

Adjacent sequences:  A099826 A099827 A099828 * A099830 A099831 A099832

KEYWORD

nonn

AUTHOR

Hugo Pfoertner, Oct 27 2004

EXTENSIONS

More terms from Ray Chandler, Oct 29 2004

STATUS

approved

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Last modified September 26 01:25 EDT 2017. Contains 292500 sequences.