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A028417 Sum over all n! permutations of n elements of minimum lengths of cycles. +0
7
1, 3, 10, 45, 236, 1505, 10914, 90601, 837304, 8610129, 96625970, 1184891081, 15665288484, 223149696601, 3394965018886, 55123430466945, 948479737691504, 17289345305870561, 332019600921360594, 6713316975465246889 (list; graph; listen)
OFFSET

1,2

FORMULA

E.g.f.: Sum[k>0, -1+ exp(Sum(j>=k, x^j/j))]. - Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 26 2004

CROSSREFS

Cf. A028418, A046746, A006128.

Cf. A005225.

Sequence in context: A102911 A096752 A134018 this_sequence A060311 A099237 A006220

Adjacent sequences: A028414 A028415 A028416 this_sequence A028418 A028419 A028420

KEYWORD

nonn

AUTHOR

Joe Keane (jgk(AT)jgk.org)

EXTENSIONS

More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 19 2002

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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