A335246 - OEIS

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A335246

Perimeters of Heronian triangles whose middle and largest side lengths are squarefree.

16, 32, 36, 40, 42, 48, 50, 64, 70, 72, 78, 80, 84, 96, 98, 100, 108, 112, 114, 128, 132, 136, 140, 144, 150, 154, 162, 168, 176, 180, 182, 186, 190, 192, 196, 198, 200, 208, 210, 216, 222, 224, 228, 234, 240, 242, 250, 252, 256, 258, 260, 264, 266, 270, 272, 276, 280, 286

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

Eric Weisstein's World of Mathematics, Heronian Triangle

Wikipedia, Heronian triangle

Wikipedia, Integer Triangle

CROSSREFS

Cf. A008683 (Möbius function), A333840 (Perimeters of Heronian triangles with squarefree area).

Perimeters of squarefree Heronian triangles: A330869 (all sides), A335222 (shortest side), A335223 (middle side), A335224 (largest side), A335243 (smallest and middle), A335244 (smallest and largest), this sequence (middle and largest).

Sequence in context: A040240 A296761 A297288 * A055075 A359831 A048111

Adjacent sequences: A335243 A335244 A335245 * A335247 A335248 A335249

KEYWORD

nonn

AUTHOR

Wesley Ivan Hurt, May 28 2020

STATUS

approved