OFFSET
0,2
LINKS
Paolo Xausa, Table of n, a(n) for n = 0..950
Index entries for linear recurrences with constant coefficients, signature (16,-59,44).
FORMULA
G.f.: 1/(1-11*x)-1/(1-4*x)+1/(1-x).
E.g.f.: e^(11*x)-e^(4*x)+e^x.
a(n) = 15*a(n-1)-44*a(n-2)+30 with a(0) = 1, a(1) = 8. - Vincenzo Librandi, Jul 21 2010
MATHEMATICA
Table[11^n - 4^n + 1, {n, 0, 25}] (* Paolo Xausa, Jul 26 2024 *)
PROG
(PARI) a(n)=11^n-4^n+1 \\ Charles R Greathouse IV, Sep 24 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Jan 30 2009
STATUS
approved