login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A081058 Number of shuffles 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. 2

%I

%S 8,263,4,23,370,790,43,48,218,5,12,22,11,29,53,26,231,583,90,271,1988,

%T 14,52,17,6,286,31,39,40,15,320158,354,812,487,118,43,758,470,78,689,

%U 39,29,18,12552564,70,249,53,2054,10,43,409,309,13519,224,26,7,35,800

%N Number of shuffles 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 Corresponding shuffle number is in A081059. A081059[n]=A081058[n]+n.

%e After 2 shuffles, card #3 is on top. It reaches the top again on shuffle # 265 (263 shuffles later), so a(2)=263.

%Y Cf. A035485, A060750, A060751, A081059.

%K nonn

%O 1,1

%A _Jud McCranie_, Mar 04 2003

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 22 08:33 EST 2019. Contains 329389 sequences. (Running on oeis4.)