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 A136756 #8 Jan 15 2021 16:32:22 %S A136756 1,1,2,1,4,4,1,1,2,4,1,4,1,1,2,1,1,3,2,2,1,1,1,1,1,1,1,1,1,1,1,2,2,3, %T A136756 1,1,2,3,4,1,2,3,1,2,4,1,2,1,1,3,1,3,1,2,1,2,1,2,1,2,1,3,1,4,2,1,2,1, %U A136756 4,2,1,3,2,1,3,2,1,4,2,1,1,3,2,1,1,3,2,1,1,4,2,2,1,1,4,3,2,2,1,1 %N A136756 Leading digit of n! in base 5. %H A136756 David A. Corneth, <a href="/A136756/b136756.txt">Table of n, a(n) for n = 0..9999</a> %e A136756 a(10) = 1 as 10! = 1412110200_5 which has leading digit 1. - _David A. Corneth_, Jan 15 2021 %Y A136756 Cf. A000142, A136692, A000012, A136754, A136755, A136757, A136758, A136759, A136760, A008905, A136761, A136762, A136763, A136764, A136765, A136766. %K A136756 nonn,base,easy %O A136756 0,3 %A A136756 _Carl R. White_, Jan 21 2008