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.

A317183 Numbers k such that k = 16*area(T)^2 for a primitive integer triangle, T.

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%I A317183 #16 Jul 30 2025 15:21:17
%S A317183 3,15,35,63,99,128,135,143,195,231,255,275,320,323,351,384,399,455,
%T A317183 483,495,575,576,663,675,735,768,783,819,855,896,899,935,975,1023,
%U A317183 1071,1155,1235,1280,1295,1311,1344,1443,1463,1536,1539,1575,1599,1683,1728,1763
%N A317183 Numbers k such that k = 16*area(T)^2 for a primitive integer triangle, T.
%C A317183 A316842 lists the primitive integer triangles.
%H A317183 Lars Blomberg, <a href="/A317183/b317183.txt">Table of n, a(n) for n = 1..10000</a>
%Y A317183 Cf. A316842.
%Y A317183 Sorted and uniqued values of A317181.
%Y A317183 Subsequence of A317182.
%K A317183 nonn
%O A317183 1,1
%A A317183 _N. J. A. Sloane_, Jul 25 2018
%E A317183 Terms a(13) and beyond from _Lars Blomberg_, Jul 27 2018
%E A317183 Name edited by _Peter Munn_, Jul 30 2025