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 A030667 #5 Mar 20 2022 23:21:55 %S A030667 4,5,6,7,23,8,27,9,30,10,34,11,37,12,39,13,42,43,14,45,46,15,48,49,16, %T A030667 51,52,17,54,55,56,18,58,59,188,19,61,62,63,20,203,65,66,21,213,68,69, %U A030667 22,70,71,72,23,73,74,235,75,24,241,77,78,247,25,251,80,81 %N A030667 Square root of A030666(n). %Y A030667 Cf. A030666. %K A030667 nonn,base %O A030667 1,1 %A A030667 _Patrick De Geest_