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A003579 Dowling numbers. 0
1, 2, 11, 99, 1066, 13283, 190933, 3117900, 56729565, 1132679479, 24564972756, 574431351673, 14394977015245, 384489778509034, 10894501505088695, 326149933663962479, 10280153573323314858 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

Benoumhani, Moussa; On Whitney numbers of Dowling lattices. Discrete Math. 159 (1996), no. 1-3, 13-33.

FORMULA

E.g.f.: exp(z + 1/7 exp(7 z) - 1/7).

CROSSREFS

Sequence in context: A055680 A166909 A020559 * A099169 A143135 A205806

Adjacent sequences:  A003576 A003577 A003578 * A003580 A003581 A003582

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 09:00 EST 2012. Contains 205904 sequences.