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 A113779 #6 Jan 31 2025 17:34:39 %S A113779 17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9, %T A113779 8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17, %U A113779 9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17,9,8,17 %N A113779 Each term is the sum of the next two digits starting with a(1)=17. %F A113779 Cycles with period 3. %e A113779 E.g. 17 = 9+8, 9 = 8+1, 8 = 1+7. %Y A113779 Cf. A114724. %K A113779 nonn,base %O A113779 1,1 %A A113779 _Eric Angelini_, Dec 06 2005 %E A113779 Definition corrected Jan 30 2006