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.

9, 265, 7, 27, 375, 796, 50, 56, 227, 15, 23, 34, 24, 43, 68, 42, 248, 601, 109, 291, 2009, 36, 75, 41, 31, 312, 58, 67, 69, 45, 320189, 386, 845, 521, 153, 79, 795, 508, 117, 729, 80, 71, 61, 12552608, 115, 295, 100, 2102, 59, 93, 460, 361, 13572, 278, 81

Offset

1,1

Comments

Number of shuffles later is in A081058.

Links

Table of n, a(n) for n=1..55.

Formula

a(n) = A081058(n) + n.

Example

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

Crossrefs

Cf. A035485, A060750, A060751, A081058.

Sequence in context: A189643 A003387 A177393 * A202884 A188963 A306535

Adjacent sequences: A081056 A081057 A081058 * A081060 A081061 A081062

Keyword

nonn

Author

Jud McCranie, Mar 04 2003

Status

approved