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.

8, 263, 4, 23, 370, 790, 43, 48, 218, 5, 12, 22, 11, 29, 53, 26, 231, 583, 90, 271, 1988, 14, 52, 17, 6, 286, 31, 39, 40, 15, 320158, 354, 812, 487, 118, 43, 758, 470, 78, 689, 39, 29, 18, 12552564, 70, 249, 53, 2054, 10, 43, 409, 309, 13519, 224, 26, 7, 35, 800

Offset

1,1

Comments

Corresponding shuffle number is in A081059.

Links

Table of n, a(n) for n=1..58.

Formula

a(n) = A081059(n) - n.

Example

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

Crossrefs

Cf. A035485, A060750, A060751, A081059.

Sequence in context: A272392 A162083 A300734 * A003386 A299328 A098275

Adjacent sequences: A081055 A081056 A081057 * A081059 A081060 A081061

Keyword

nonn

Author

Jud McCranie, Mar 04 2003

Status

approved