cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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.

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%I A331012 #8 Jul 29 2025 14:51:31
%S A331012 3,63,1575,5760,24255,51975,80640,172800,322560,403200,1209600,
%T A331012 2822400,4435200,8870400,15523200,17740800,53222400,125798400,
%U A331012 146764800
%N 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.
%C A331012 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, ... .
%C A331012 Conjectured further terms are 226195200 (42 representations), 230630400 (52 representations), 372556800 (55 representations).
%e A331012 See A331011.
%Y A331012 Cf. A316841, A316853, A317182, A331011.
%K A331012 nonn,more
%O A331012 1,1
%A A331012 _Hugo Pfoertner_, Jan 07 2020