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A152068 Exceptional Ucycles on 2n+1 nodes. 1
0, 0, 0, 48, 1900, 110688 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

See reference for precise definition.

LINKS

Table of n, a(n) for n=1..6.

K. Casteels and B. Stevens, Universal cycles of (n-1)-partitions of an n-set, Discr. Math., 309 (2009), 5332-5340.

CROSSREFS

Cf. A152029, A152069.

Sequence in context: A273627 A288455 A231450 * A290404 A276247 A274958

Adjacent sequences:  A152065 A152066 A152067 * A152069 A152070 A152071

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Sep 15 2009

STATUS

approved

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Last modified May 28 21:37 EDT 2020. Contains 334690 sequences. (Running on oeis4.)