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 A062930 #9 Mar 13 2023 10:51:30 %S A062930 0,1,2,3,4,129,130,259,260,389,390,400,519,520,529,530,720,774,780, %T A062930 1560,2340,2394,2400,3120,3354,3380,4680,6734,6760,7017,9360,10397, %U A062930 10400,10657,14037,16770,16900,18720,20280,24654,33670,33800,35085,40560,51985,52000 %N A062930 Numbers k that, when expressed in base 5 and then interpreted in base 8, give a multiple of k. %e A062930 129 in base 5 is 1004, which interpreted in base 8 is 516 = 4*129. %Y A062930 Cf. A062845, A062846, A062847, A062848, A062849, A062850, A062853, A062864, A062865, A062884, A062889, A062891, A062920, A062921, A062922, A062923, A062925, A062928, A062929, A062931, A062934, A062937, A062939, A062942, A062943, A062944. %K A062930 base,nonn %O A062930 1,3 %A A062930 _Erich Friedman_, Jul 21 2001 %E A062930 Offset changed to 1 by _Georg Fischer_, Mar 13 2023