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A054585 Sum_{d=1..n} phi(d)*mu(d). 0
0, 1, 0, -2, -2, -6, -4, -10, -10, -10, -6, -16, -16, -28, -22, -14, -14, -30, -30, -48, -48, -36, -26, -48, -48, -48, -36, -36, -36, -64, -72, -102, -102, -82, -66, -42, -42, -78, -60, -36, -36, -76, -88, -130, -130, -130, -108, -154, -154, -154, -154, -122, -122, -174, -174, -134, -134, -98, -70, -128 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

CROSSREFS

Sequence in context: A140524 A204904 A109043 * A190940 A046203 A100495

Adjacent sequences:  A054582 A054583 A054584 * A054586 A054587 A054588

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 12 2000

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Last modified February 16 06:08 EST 2012. Contains 205860 sequences.