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A099739 Sum_{k=1..n} k!*mu(k), where mu() is the Moebius function. 0
1, -1, -7, -7, -127, 593, -4447, -4447, -4447, 3624353, -36292447, -36292447, -6263313247, 80914977953, 1388589345953, 1388589345953, -354298838750047, -354298838750047, -121999399247582047, -121999399247582047 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

MATHEMATICA

f[n_] := Sum[k!MoebiusMu[k], {k, n}]; Table[ f[n], {n, 20}] (from Robert G. Wilson v Nov 12 2004)

CROSSREFS

Sequence in context: A178708 A072399 A001988 * A048430 A197860 A180321

Adjacent sequences:  A099736 A099737 A099738 * A099740 A099741 A099742

KEYWORD

sign

AUTHOR

Leroy Quet Nov 09 2004

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 12 2004

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Last modified February 15 07:30 EST 2012. Contains 205706 sequences.