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A335246
Perimeters of Heronian triangles whose middle and largest side lengths are squarefree.
2
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
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, 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
KEYWORD
nonn
AUTHOR
Wesley Ivan Hurt, May 28 2020
STATUS
approved