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A054612 Sum_{d|n} phi(d)*5^(n/d). 0
0, 5, 30, 135, 660, 3145, 15810, 78155, 391320, 1953405, 9768870, 48828175, 244157820, 1220703185, 6103593930, 30517584915, 152588282640, 762939453205, 3814699250430, 19073486328215, 95367441415140, 476837158360185, 2384185839844050 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A000649 A027173 A196452 * A080951 A180285 A055298

Adjacent sequences:  A054609 A054610 A054611 * A054613 A054614 A054615

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 16 2000

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Last modified February 15 15:17 EST 2012. Contains 205823 sequences.