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A074530 a(n) = 2^n + 3^n + 8^n. 1
3, 13, 77, 547, 4193, 33043, 262937, 2099467, 16784033, 134237923, 1073801897, 8590113787, 68720012273, 549757416403, 4398051310457, 35184386470507, 281475019822913, 2251799942956483, 18014398897164617, 144115189238641627 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (13,-46,48).

FORMULA

From Mohammad K. Azarian, Dec 27 2008: (Start)

G.f.: 1/(1-2*x) + 1/(1-3*x) + 1/(1-8*x).

E.g.f.: exp(2*x) + exp(3*x) + exp(8*x). (End)

MATHEMATICA

Table[2^n + 3^n + 8^n, {n, 0, 20}]

PROG

(MAGMA) [2^n + 3^n + 8^n: n in [0..25]]; // Vincenzo Librandi, Jun 11 2011

CROSSREFS

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

Sequence in context: A059040 A220895 A189239 * A159662 A032035 A273953

Adjacent sequences:  A074527 A074528 A074529 * A074531 A074532 A074533

KEYWORD

easy,nonn

AUTHOR

Robert G. Wilson v, Aug 23 2002

STATUS

approved

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Last modified June 26 10:12 EDT 2019. Contains 324375 sequences. (Running on oeis4.)