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 A181702 #10 Apr 29 2024 09:08:31 %S A181702 24,40,224,15872,1040384 %N A181702 Numbers of the form 2^r*p with p an odd prime, which are in A181595 but not in A181701. %C A181702 a(6) > 1.85*10^11, if it exists. - _Amiram Eldar_, Apr 29 2024 %Y A181702 Cf. A181701, A181595, A181596, A000396. %K A181702 nonn,more %O A181702 1,1 %A A181702 _Vladimir Shevelev_, Nov 06 2010 %E A181702 32128 removed by _R. J. Mathar_, Dec 05 2010 %E A181702 a(5) from _Amiram Eldar_, Apr 29 2024