A335281 Perimeters of nonprimitive Heronian triangles whose middle side length is a square.

48, 80, 90, 108, 192, 216, 240, 256, 264, 270, 272, 280, 300, 320, 328, 336, 360, 380, 392, 400, 416, 432, 468, 486, 512, 540, 572, 576, 588, 594, 600, 612, 630, 648, 650, 660, 690, 720, 726, 768, 810, 816, 850, 864, 880, 882, 900, 918, 960, 968, 972, 980, 1008, 1024, 1040

Offset

1,1

Links

Giovanni Resta, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Heronian Triangle

Wikipedia, Heronian triangle

Wikipedia, Integer Triangle

Crossrefs

Cf. A010052, A335276, A335295.

Sequence in context: A260370 A260363 A261553 * A335196 A348527 A362969

Adjacent sequences: A335278 A335279 A335280 * A335282 A335283 A335284

Keyword

nonn

Author

Wesley Ivan Hurt, May 30 2020

Status

approved