A081059 - OEIS

%I #5 Mar 30 2012 18:34:55

%S 9,265,7,27,375,796,50,56,227,15,23,34,24,43,68,42,248,601,109,291,

%T 2009,36,75,41,31,312,58,67,69,45,320189,386,845,521,153,79,795,508,

%U 117,729,80,71,61,12552608,115,295,100,2102,59,93,460,361,13572,278,81

%N 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 Number of shuffles later is in A081058. A081059[n]=A081058[n]+n.

%e After 2 shuffles, card #3 is on top. It reaches the top again on shuffle # 265, so a(2)=265.

%Y Cf. A035485, A060750, A060751, A081058.

%K nonn

%O 1,1

%A _Jud McCranie_, Mar 04 2003