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 A025733 #7 Jul 06 2025 14:21:57 %S A025733 1,2,4,7,11,16,22,29,37,46,56,66,77,89,102,116,131,147,164,182,201, %T A025733 220,240,261,283,306,330,355,381,408,436,464,493,523,554,586,619,653, %U A025733 688,724,761,799,837,876,916,957,999,1042,1086,1131,1177,1224,1271,1319,1368 %N A025733 Index of 8^n within sequence of numbers of form 8^i*10^j. %C A025733 Positions of zeros in A025690. - _R. J. Mathar_, Jul 06 2025 %K A025733 nonn %O A025733 1,2 %A A025733 _David W. Wilson_