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 A132726 #6 Feb 16 2025 08:33:06 %S A132726 0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,1,1,0,6,6,6,6,6,6,0,0,0,0,0,0,0, %T A132726 0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2,2,2,2,0,1,1, %U A132726 0,1,1,0,1,1,0,1,1,0,6,6,6,6,6,6,6,6,6,6,6,6,0,6,6,6,6,6,6,0,6,6,6,6,6,6,0 %N A132726 Triangle read by rows: T(n,k) = length of period in decimal representation of k/n, 1<=k<=n. %C A132726 T(n,1) = A051626(n); T(n,n) = 0; %C A132726 T(n,k) = T(1,k/A050873(n,k)); %C A132726 T(n,k) = T(n,A132740(k)), 1<=k<=n; %C A132726 T(A003592(n),k) = 0, 1<=k<=A003592(n). %H A132726 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DecimalExpansion.html">Decimal expansion</a> %H A132726 <a href="/index/1#1overn">Index entries for sequences related to decimal expansion of 1/n.</a> %K A132726 nonn,base,tabl %O A132726 1,22 %A A132726 _Reinhard Zumkeller_, Aug 27 2007