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A014766
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Numbers k such that the 3k shuffle group does not accomplish a perfect shuffle.
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1
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9, 12, 24, 27, 36, 48, 60, 72, 81, 84, 96, 108, 120
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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REFERENCES
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W. Bosma et al., Solving Problems with Magma, Sect. 2.2.3.
Cannon and Playoust, An Introduction to MAGMA, Section 6.3.1.
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LINKS
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FORMULA
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Conjecture: k is in the sequence if k = 3^(m+1) or k = 12 * m for m >= 1. - Sean A. Irvine, Nov 19 2018
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CROSSREFS
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KEYWORD
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nonn,more,nice
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AUTHOR
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STATUS
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approved
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