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 A025659 #7 Jul 06 2025 13:13:19 %S A025659 0,0,1,0,1,2,0,1,2,3,0,1,2,3,4,0,1,2,3,4,5,0,1,2,3,4,5,6,0,1,2,3,4,5, %T A025659 6,7,0,1,2,3,4,5,6,7,8,0,1,2,3,4,5,6,7,8,0,9,1,2,3,4,5,6,7,8,0,9,1,10, %U A025659 2,3,4,5,6,7,8,0,9,1,10,2,11,3,4,5,6,7,8,0,9,1,10,2,11,3,12,4,5,6,7,8,0,9,1,10 %N A025659 Exponent of 6 (value of j) in n-th number of form 5^i*6^j. %Y A025659 Cf. A025622. %K A025659 nonn %O A025659 1,6 %A A025659 _David W. Wilson_