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 A331366 Number of Heronian triangles with mutually distinct side lengths and perimeter A334665(n). 3
 1, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 3, 2, 1, 1, 2, 3, 1, 1, 3, 8, 1, 4, 4, 3, 1, 2, 10, 1, 5, 1, 5, 3, 6, 1, 9, 2, 5, 6, 6, 2, 3, 5, 6, 8, 1, 10, 1, 1, 1, 6, 8, 3, 2, 2, 12, 8, 4, 6, 5, 4, 11, 14, 5, 1, 11, 7, 3, 1, 6, 1, 2, 14, 11, 1, 9, 14, 11, 1, 4, 11, 3, 1, 11, 4, 2, 7, 4, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 LINKS Eric Weisstein's World of Mathematics, Heronian Triangle Wikipedia, Heronian triangle Wikipedia, Integer Triangle EXAMPLE a(1) = 1; there is one Heronian triangle with perimeter A334665(1) = 12 such that all side lengths are mutually distinct, [3,4,5]. a(4) = 1; there is one Heronian triangle with perimeter A334665(4) = 32 such that all side lengths are mutually distinct, [4,13,15]. CROSSREFS Cf. A051516, A051518, A334665. Sequence in context: A194066 A308916 A182628 * A274225 A028334 A083269 Adjacent sequences:  A331363 A331364 A331365 * A331367 A331368 A331369 KEYWORD nonn AUTHOR Wesley Ivan Hurt, May 07 2020 STATUS approved

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Last modified August 3 07:58 EDT 2021. Contains 346435 sequences. (Running on oeis4.)