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Search: id:A057983
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| A057983 |
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These numbers take a record number of steps to reach the top of the deck in Guy's shuffle (see A035485). |
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+0
6
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| 1, 2, 3, 4, 7, 13, 15, 39, 43, 54, 1227, 1796, 2674, 3464, 6057, 7650, 17083
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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See A057984 for the number of steps for these to reach the top of the deck.
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REFERENCES
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D. Gale, Tracking the Automatic Ant and Other Mathematical Explorations, Springer, 1998, chapter 5.
D. Gale, Mathematical Entertainments: "Careful Card-Shuffling and Cutting Can Create Chaos," The Mathematical Intelligencer, vol. 14, no. 1, 1992, pages 54-56.
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EXAMPLE
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In Guy's shuffle, 4 takes 8 shuffles to reach the top, no smaller number takes more shuffles, so 4 is in the sequence.
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CROSSREFS
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Cf. A035485, A035490, A035493, A035494, A057984, A060750-A060752.
A057984 = A035490(A057983).
Sequence in context: A152605 A023162 A022437 this_sequence A096723 A137495 A099779
Adjacent sequences: A057980 A057981 A057982 this_sequence A057984 A057985 A057986
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KEYWORD
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hard,nonn
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AUTHOR
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Jud McCranie (j.mccranie(AT)comcast.net), Oct 24 2000
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