OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (9,-26,24).
FORMULA
From Mohammad K. Azarian, Dec 26 2008: (Start)
G.f.: 1/(1-2*x)+1/(1-3*x)+1/(1-4*x).
E.g.f.: exp(2*x)+exp(3*x)+exp(4*x). (End)
MATHEMATICA
Table[2^n + 3^n + 4^n, {n, 0, 23}]
LinearRecurrence[{9, -26, 24}, {3, 9, 29}, 30] (* Harvey P. Dale, Jun 14 2022 *)
PROG
(Magma) [2^n + 3^n + 4^n: n in [0..25]]; // Vincenzo Librandi, Jun 11 2011
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Robert G. Wilson v, Aug 23 2002
STATUS
approved