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A123398 Topswops: number of permutations of cards achieving A000375(n). +0
2
1, 1, 2, 2, 1, 5, 2, 1, 1, 1, 1, 1, 1, 4, 6, 1 (list; graph; listen)
OFFSET

1,3

REFERENCES

D. E. Knuth, TAOCP, Section 7.2.1.2, Problems 107-109.

CROSSREFS

Sequence in context: A086873 A101560 A010243 this_sequence A102849 A088333 A016538

Adjacent sequences: A123395 A123396 A123397 this_sequence A123399 A123400 A123401

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 15 2006

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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