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 A331012 16 * squared area of triangles with integer sides i <= j <= k, such that more triples of sides produce the same area as for any smaller area. 2
 3, 63, 1575, 5760, 24255, 51975, 80640, 172800, 322560, 403200, 1209600, 2822400, 4435200, 8870400, 15523200, 17740800, 53222400, 125798400, 146764800 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The corresponding record counts of triangles are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 17, 19, 20, 26, 30, 34, 35, ... . Conjectured further terms are 226195200 (42 representations), 230630400 (52 representations), 372556800 (55 representations). LINKS Table of n, a(n) for n=1..19. EXAMPLE See A331011. CROSSREFS Cf. A317182, A331011. Sequence in context: A370827 A133275 A258657 * A369955 A123687 A159605 Adjacent sequences: A331009 A331010 A331011 * A331013 A331014 A331015 KEYWORD nonn,more AUTHOR Hugo Pfoertner, Jan 07 2020 STATUS approved

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Last modified July 20 18:59 EDT 2024. Contains 374459 sequences. (Running on oeis4.)