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Search: id:A152029
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A152029 2^n*(2*n)!/((n+1)!). +0
3
1, 2, 16, 240, 5376, 161280, 6082560, 276756480, 14760345600, 903333150720, 62412108595200, 4805732361830400, 408117579035443200, 37896632339005440000, 3819980539771748352000, 415422883700177633280000, 48482294191832495554560000, 6044126009248451112468480000 (list; graph; listen)
OFFSET

0,2

REFERENCES

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

CROSSREFS

Sequence in context: A012164 A047657 A152542 this_sequence A152069 A156495 A009233

Adjacent sequences: A152026 A152027 A152028 this_sequence A152030 A152031 A152032

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 15 2009

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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