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 A014666 #8 Jul 08 2025 05:41:15 %S A014666 1,2,4,6,10,11,17,21,27,29,39,42,54,58,63,71,87,90,108,114,121,126 %N A014666 Erroneous version of A027435. %C A014666 Former title: Partial sums of A014665. - _Sean A. Irvine_, Nov 15 2018 %D A014666 S. W. Golomb, personal communication, Svalbard, Norway, 7/97. %F A014666 For n>1: # of positive integers u <= n(n-1) such that p^H_p(u)<=n for all p<=u, where H_p(u) = highest power of p dividing u. %K A014666 dead %O A014666 1,2 %A A014666 _N. J. A. Sloane_