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A054604 a(n) = Sum_{d|5} phi(d)*n^(5/d). 1
0, 5, 40, 255, 1040, 3145, 7800, 16835, 32800, 59085, 100040, 161095, 248880, 371345, 537880, 759435, 1048640, 1419925, 1889640, 2476175, 3200080, 4084185, 5153720, 6436435, 7962720, 9765725, 11881480, 14349015, 17210480, 20511265 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..29.

Index entries for linear recurrences with constant coefficients, signature (6,-15,20,-15,6,-1).

FORMULA

a(n) = n^5+4n.

G.f.: 5*x*(x^4+2*x^3+18*x^2+2*x+1)/(x-1)^6. [Colin Barker, Dec 21 2012]

CROSSREFS

Row n=5 of A185651.

Sequence in context: A230744 A269822 A043019 * A157794 A001656 A087632

Adjacent sequences:  A054601 A054602 A054603 * A054605 A054606 A054607

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Apr 16 2000

STATUS

approved

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Last modified September 21 11:18 EDT 2019. Contains 327253 sequences. (Running on oeis4.)