1,1

This sequence is based on x and y (for same x) in increasing order, directly mapping to A094192 and A094193, while A126611 is sorted by the sum x+y.

Given any 2 of below 4 sequences, primitive Pythagorean triangles can be generated.

A094192: the bigger one in generator pairs;

A094193: the smaller one in generator pairs;

A309424: the sum of generator pairs;

A309425: the difference of generator pairs.

Table of n, a(n) for n=1..86.

a(n) = A094192(n) + A094193(n).

Cf. A094192, A094193, A126611, A309425.

Sequence in context: A103332 A195796 A279944 * A079886 A087243 A112276

Adjacent sequences: A309421 A309422 A309423 * A309425 A309426 A309427

nonn

Rui Lin, Jul 31 2019

approved