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 A186736 #31 Oct 16 2024 22:28:09
%S A186736 1,3,6,8,13,13,20,24,30,30,41,41,54,54,55,63,80,80,99,99,103,103,126,
%T A186736 126,146,146,159,164,193,193,224,235,235,235,238,238,275,275,275,275,
%U A186736 316,316,359,360,360,360,407,407,446,446,453,459,512,512,531,531,535
%N A186736 Maximum sum of relatively prime integers no larger than n.
%H A186736 Matt Ready, <a href="/A186736/b186736.txt">Table of n, a(n) for n = 1..2500</a> (first 250 terms from Michael B. Porter)
%H A186736 Michael B. Porter (w/ minor bug fix from Matt Ready), <a href="/A186736/a186736.txt">PARI program</a>
%H A186736 Matt Ready, <a href="/A186736/a186736.py.txt">Python program, alternate algorithm</a>
%e A186736 a(30) = 193, for the set {1, 11, 13, 17, 19, 23, 25, 27, 28, 29}.
%e A186736 a(51) = 453, for the set {1, 13, 19, 23, 25, 29, 31, 37, 41, 43, 44, 47, 49, 51}. - _Matt Ready_, Oct 05 2024
%o A186736 (PARI) \\ see link
%o A186736 (Python) # see link
%K A186736 nonn
%O A186736 1,2
%A A186736 _Andy Niedermaier_, Aug 29 2013
%E A186736 a(31)-a(47) from _Alois P. Heinz_, Aug 29 2013
%E A186736 a(51) corrected by _Matt Ready_, Oct 05 2024