A107487 Ordered semiperimeters of Pythagorean triangles.

6, 12, 15, 18, 20, 24, 28, 30, 30, 35, 36, 40, 42, 42, 45, 45, 48, 54, 56, 60, 60, 60, 63, 66, 66, 70, 72, 72, 75, 77, 78, 80, 84, 84, 84, 88, 90, 90, 90, 91, 96, 99, 100, 102, 104, 105, 105, 108, 110, 112, 114, 117, 120, 120, 120, 120, 126, 126

Offset

1,1

Comments

For ordered semiperimeters of primitive Pythagorean triangles, see A020886.

Links

Table of n, a(n) for n=1..58.

Wikipedia, Integer Triangle

Formula

a(n) = A009096(n)/2.

Crossrefs

Cf. A005279, A009096, A020886.

Sequence in context: A278638 A208770 A219095 * A092671 A005279 A343281

Adjacent sequences: A107484 A107485 A107486 * A107488 A107489 A107490

Keyword

nonn

Author

Lekraj Beedassy, May 28 2005

Status

approved