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 A062921 #8 Mar 03 2023 15:06:05 %S A062921 0,1,2,3,22,24,46,79,87,88,96,175,183,184,521,785,2485,2605,3925,8664, %T A062921 8722,48231,114635,204483,556826,2129443,8597088,18353039,24710239, %U A062921 32175566,128702264,435213792,559060883,773552402 %N A062921 When expressed in base 4 and then interpreted in base 6, is a multiple of the original number. %e A062921 22 in base 4 is 112, which interpreted in base 6 is 44 = 2*22. %K A062921 base,nonn,more %O A062921 1,3 %A A062921 _Erich Friedman_, Jul 21 2001 %E A062921 More terms from _Naohiro Nomoto_, Aug 06 2001 %E A062921 Offset changed to 1 and more terms from _Georg Fischer_, Mar 03 2023