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.
%I A093544 #11 Aug 12 2025 01:56:57
%S A093544 1,5,3,13,17,7,25,29,11,37,41,15,49,53,19,61,65,23,73,77,27,85,89,31,
%T A093544 97,101,35,109,113,39,121,125,43,133,137,47,145,149,51,157,161,55,169,
%U A093544 173,59,181,185,63,193,197,67,205,209,71,217,221,75,229,233,79,241
%N A093544 Numerator of (4*n-3)/A000265(n). Numerator of pairwise quotients of A004130.
%C A093544 Terms are a rearrangement of the odd numbers not of form 12*k+9.
%C A093544 Also given by the following linear quasi-polynomial mod 3: (4 n - 3) If[Mod[n, 3] == 0, 1/3, 1]. - _Eric Rowland_, Feb 24 2009
%H A093544 Michael De Vlieger, <a href="/A093544/b093544.txt">Table of n, a(n) for n = 1..10000</a>
%t A093544 Table[(4 n - 3) If[Mod[n, 3] == 0, 1/3, 1], {n, 61}] (* _Eric Rowland_, Feb 24 2009 *)
%o A093544 (PARI) a(n)=numerator((4*n-3)/n*2^valuation(n,2))
%K A093544 nonn,easy
%O A093544 1,2
%A A093544 _Ralf Stephan_, Mar 31 2004