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 A081059 #5 Mar 30 2012 18:34:55 %S A081059 9,265,7,27,375,796,50,56,227,15,23,34,24,43,68,42,248,601,109,291, %T A081059 2009,36,75,41,31,312,58,67,69,45,320189,386,845,521,153,79,795,508, %U A081059 117,729,80,71,61,12552608,115,295,100,2102,59,93,460,361,13572,278,81 %N A081059 Shuffle number in Guy's shuffle (see A035485) for the card that is at the top of the deck after n shuffles to come to the top again. %C A081059 Number of shuffles later is in A081058. A081059[n]=A081058[n]+n. %e A081059 After 2 shuffles, card #3 is on top. It reaches the top again on shuffle # 265, so a(2)=265. %Y A081059 Cf. A035485, A060750, A060751, A081058. %K A081059 nonn %O A081059 1,1 %A A081059 _Jud McCranie_, Mar 04 2003