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A054612 a(n) = Sum_{d|n} phi(d)*5^(n/d). 2
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; text; internal format)
OFFSET

0,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..1430

CROSSREFS

Column k=5 of A185651.

Sequence in context: A196452 A227267 A213260 * A282078 A080951 A255052

Adjacent sequences:  A054609 A054610 A054611 * A054613 A054614 A054615

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 16 2000

STATUS

approved

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Last modified October 15 15:14 EDT 2019. Contains 328030 sequences. (Running on oeis4.)