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 A079483 #17 Aug 17 2025 05:01:34 %S A079483 0,0,1,0,1,0,2,1,2,0,2,1,0,3,2,4,1,2,0,5,0,1,1,2,5,1,4,2,8,5,7,1,6,3, %T A079483 1,8,6,10,3,5,1,11,0,2,2,4,9,2,7,4,14,9,12,2,10,5,2,13,10,16,5,8,2,17, %U A079483 0,3,3,6,13,3,10,6,20,13,17,3,14,7,3,18,14 %N A079483 Array read by rows in which n-th row lists the periodic part of the base-n expansion of 1/7. %e A079483 In base 2, 1/111_2 = 0.001001001001 ..., where 111_2 = 7; the periodic part is 0 0 1, so these form the first three digits. The periodic portions in the next few bases are 010212 (base 3), 021 (base 4), etc. %e A079483 Array begins: %e A079483 0, 0, 1; %e A079483 0, 1, 0, 2, 1, 2; %e A079483 0, 2, 1; %e A079483 0, 3, 2, 4, 1, 2; %e A079483 0, 5; %e A079483 ... %Y A079483 Cf. A048962, A048963, A020806, A035613. %K A079483 nonn,base,tabf %O A079483 2,7 %A A079483 _Stephen K. Johnson_, Jan 17 2003 %E A079483 More terms from _Sean A. Irvine_, Aug 16 2025