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A035499
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Turns at which card 1 surfaces in Guy's shuffling problem (A035485).
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1
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0, 3, 7, 50, 93, 307, 832, 3345, 7438, 32327, 12165645, 861940477, 2151642067, 29933164804, 39288453372
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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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.
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MATHEMATICA
| Position[ NestList[ riguy, {}, 64 ], 1 ]; Transpose[ % ][ [ 2 ] ] // See See A035490.
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CROSSREFS
| Cf. A035485, A035490-A035494. Gives terms where 1's appear in A035492.
Sequence in context: A118393 A113775 A113236 * A120788 A041277 A095124
Adjacent sequences: A035496 A035497 A035498 * A035500 A035501 A035502
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KEYWORD
| nonn,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Wouter Meeussen (wouter.meeussen(AT)pandora.be)
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EXTENSIONS
| More terms from David W. Wilson (davidwwilson(AT)comcast.net); and later from Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), Oct 22 2000
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