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A126611 Sum x+y of generator pairs (x, y) {x and y coprime and not both odd} of primitive Pythagorean triangles, sorted. 1
3, 5, 5, 7, 7, 7, 9, 9, 9, 11, 11, 11, 11, 11, 13, 13, 13, 13, 13, 13, 15, 15, 15, 15, 17, 17, 17, 17, 17, 17, 17, 17, 19, 19, 19, 19, 19, 19, 19, 19, 19, 21, 21, 21, 21, 21, 21, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 27, 27, 27, 27 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also, the square root of the sum of even leg and hypotenuse of primitive Pythagorean triangles, sorted.

LINKS

Table of n, a(n) for n=1..72.

FORMULA

2n-1 appears A072451(n) times.

CROSSREFS

Cf. A094192, A094193.

Sequence in context: A175767 A111800 A190136 * A164019 A103332 A195796

Adjacent sequences:  A126608 A126609 A126610 * A126612 A126613 A126614

KEYWORD

nonn

AUTHOR

Lekraj Beedassy, Feb 07 2007

STATUS

approved

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Last modified May 26 09:58 EDT 2019. Contains 323579 sequences. (Running on oeis4.)