A035499 Turns at which card 1 surfaces in Guy's shuffling problem (A035485).

0, 3, 7, 50, 93, 307, 832, 3345, 7438, 32327, 12165645, 861940477, 2151642067, 29933164804, 39288453372, 713937018048, 4426276078818, 19966143995933

Offset

0,2

References

D. Gale, Mathematical Entertainments: "Careful Card-Shuffling and Cutting Can Create Chaos," Mathematical Intelligencer, vol. 14, no. 1, 1992, pages 54-56.

D. Gale, Tracking the Automatic Ant and Other Mathematical Explorations, A Collection of Mathematical Entertainments Columns from The Mathematical Intelligencer, Springer, 1998.

Links

Table of n, a(n) for n=0..17.

Crossrefs

Cf. A035485, A035490-A035494. Gives terms where 1's appear in A035492.

Sequence in context: A362522 A113775 A113236 * A273092 A120788 A346143

Adjacent sequences: A035496 A035497 A035498 * A035500 A035501 A035502

Keyword

nonn,nice

Author

N. J. A. Sloane, Wouter Meeussen

Extensions

More terms from David W. Wilson; and later from Jud McCranie, Oct 22 2000

a(15)-a(17) from Mark R. Diamond, Apr 20 2014

Status

approved