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 A187186 #6 Aug 26 2015 16:43:39 %S A187186 1,1,1,1,1,1,1,1,2,2,2,2,3,2,2,2,2,3,3,3,3,3,3,3,4,4,5,4,4,5,4,4,5,4, %T A187186 4,5,5,5,5,5,6,6,6,6,7,6,6,6,6,7,7,7,7,7,7,7,8,9,8,9,8,9,8,9,8,9,8,9, %U A187186 8,9,8,9,10,10,10,10,11,10,10,10,10,11,11,11,11,11,11,11,12,12,13,12,12,13,12,12,13,12,12,13,13,13,13,13,14,14,14,14,15,14,14,14,14,15,15,15,15,15,15,15 %N A187186 Parse the infinite string 0123456701234567012345670... into distinct phrases 0, 1, 2, 3, 4, 5, 6, 7, 01, 23, 45, 67, 012, 34, ...; a(n) = length of n-th phrase. %C A187186 See A187180 for details. %H A187186 Ray Chandler, <a href="/A187186/b187186.txt">Table of n, a(n) for n = 1..1000</a> %H A187186 <a href="/index/Rec#order_65">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1). %F A187186 After the initial block of eight 1's, the sequence is quasi-periodic with period 64, increasing by 8 after each block. %Y A187186 See A187180-A187188 for alphabets of size 2 through 10. %K A187186 nonn %O A187186 1,9 %A A187186 _N. J. A. Sloane_, Mar 06 2011