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A074563 a(n) = 4^n + 5^n + 8^n. 1
3, 17, 105, 701, 4977, 36917, 281865, 2191661, 17233377, 136432997, 1084556025, 8642957021, 68980394577, 551043625877, 4404418462185, 35215963408781, 281631859568577, 2252579933007557, 18018281926224345, 144134536440090941 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (17,-92,160).

FORMULA

From Mohammad K. Azarian, Dec 30 2008: (Start)

G.f.: 1/(1-4*x) + 1/(1-5*x) + 1/(1-8*x).

E.g.f.: exp(4*x) + exp(5*x) + exp(8*x). (End)

MATHEMATICA

Table[4^n + 5^n + 8^n, {n, 0, 20}]

PROG

(MAGMA) [4^n + 5^n + 8^n: n in [0..20]]; // Vincenzo Librandi, Aug 25 2011

(PARI) vector(20, n, n--; 4^n + 5^n + 8^n) \\ G. C. Greubel, Nov 09 2018

CROSSREFS

Cf. A001550, A001576, A034513, A001579, A074501 - A074580.

Sequence in context: A036551 A162479 A194780 * A077145 A299039 A123772

Adjacent sequences:  A074560 A074561 A074562 * A074564 A074565 A074566

KEYWORD

easy,nonn

AUTHOR

Robert G. Wilson v, Aug 23 2002

STATUS

approved

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Last modified July 9 00:55 EDT 2020. Contains 335537 sequences. (Running on oeis4.)