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 A025746 #7 Jul 06 2025 14:36:34 %S A025746 1,3,6,10,15,21,28,36,45,55,67,80,94,109,125,142,160,179,199,221,244, %T A025746 268,293,319,346,374,403,433,465,498,532,567,603,640,678,717,757,798, %U A025746 841,885,930,976,1023,1071,1120,1170,1221,1274,1328,1383,1439,1496,1554,1613 %N A025746 Index of 10^n within sequence of numbers of form 8^i*10^j. %C A025746 Positions of zeros in A025677. - _R. J. Mathar_, Jul 06 2025 %K A025746 nonn %O A025746 1,2 %A A025746 _David W. Wilson_