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A340790 Pythagorean triples (X, Y, Z) that are the componentwise products of 2 primitive Pythagorean triples (x,y,z) and (r,s,t), that is, X=x*r, Y=y*s, ordered by increasing Z. 0
1120, 5544, 5656, 5040, 5775, 7665, 935, 7920, 7975, 1716, 9360, 9516, 11700, 44880, 46380, 14040, 53856, 55656, 17325, 100320, 101805, 3315, 107712, 107763, 70560, 96525, 119565, 11088, 132825, 133287, 30240, 141284, 144484, 47424, 150480, 157776, 106227, 237120, 259827 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

Lorenz Halbeisen and Norbert Hungerbühler, Pairing Pythagorean Pairs, arXiv:2101.08163 [math.NT], 2021.

EXAMPLE

[7, 24, 25] X [160, 231, 281] = [7*160, 24*25, 5656] = [1120, 5544, 5656].

CROSSREFS

Cf. A020882, A046086, A046087.

Sequence in context: A171004 A235275 A235314 * A237689 A032777 A234445

Adjacent sequences: A340787 A340788 A340789 * A340791 A340792 A340793

KEYWORD

nonn,tabf

AUTHOR

Michel Marcus, Jan 21 2021

STATUS

approved

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Last modified December 4 23:46 EST 2022. Contains 358572 sequences. (Running on oeis4.)