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A014766 3n shuffle group does not accomplish a perfect shuffle. 1
9, 12, 24, 27, 36, 48, 60, 72, 81, 84, 96, 108, 120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

W. Bosma et al., Solving Problems with MAGMA, Sect. 2.2.3.

Cannon and Playoust, An Introduction to MAGMA, Section 6.3.1.

LINKS

Table of n, a(n) for n=1..13.

P. Diaconis, The mathematics of perfect shuffles, Adv. Appl. Math. 4 (2) (1983) 175-196.

Steve Medvedoff and Kent Morrison, Groups of perfect shuffles, Math. Mag. 60 (1987), no. 1, 3-14.

CROSSREFS

Cf. A014525.

Sequence in context: A072702 A157973 A057577 * A182877 A114434 A105704

Adjacent sequences:  A014763 A014764 A014765 * A014767 A014768 A014769

KEYWORD

nonn,more,nice

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 21 02:15 EDT 2018. Contains 316405 sequences. (Running on oeis4.)