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Search: id:A134171
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A134171 (9/2)*(n-1)*(n-2)*(n-3). +0
1
0, 0, 0, 27, 108, 270, 540, 945, 1512, 2268, 3240, 4455, 5940, 7722, 9828, 12285, 15120, 18360, 22032, 26163, 30780, 35910, 41580, 47817, 54648, 62100, 70200, 78975, 88452, 98658, 109620, 121365, 133920, 147312, 161568, 176715, 192780, 209790, 227772, 246753 (list; graph; listen)
OFFSET

1,4

REFERENCES

Zvonkine D., Counting ramified coverings and intersection theory on Hurwitz spaces II (local structure of Hurwitz spaces and combinatorial results). Moscow Mathematical Journal, vol. 7 (2007), no. 1, 135-162.

LINKS

D. Zvonkine, Home Page

CROSSREFS

Adjacent sequences: A134168 A134169 A134170 this_sequence A134172 A134173 A134174

Sequence in context: A046347 A044278 A044659 this_sequence A129026 A042426 A042424

KEYWORD

nonn

AUTHOR

njas, Jan 30 2008

page 1

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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