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 A025662 #7 Jul 06 2025 14:27:06 %S A025662 0,1,0,2,1,0,3,2,1,0,4,3,2,1,0,5,4,3,2,1,6,0,5,4,3,2,7,1,6,0,5,4,3,8, %T A025662 2,7,1,6,0,5,4,9,3,8,2,7,1,6,0,5,10,4,9,3,8,2,7,1,6,11,0,5,10,4,9,3,8, %U A025662 2,7,12,1,6,11,0,5,10,4,9,3,8,13,2,7,12,1,6,11,0,5,10,4,9,14,3,8,13,2,7,12,1,6 %N A025662 Exponent of 6 (value of i) in n-th number of form 6^i*9^j. %Y A025662 Cf. A025628. %K A025662 nonn %O A025662 1,4 %A A025662 _David W. Wilson_