OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (18,-87,70).
FORMULA
G.f.: 1/(1-10*x)+1/(1-7*x)-1/(1-x). E.g.f.: e^(10*x)+e^(7*x)-e^x.
a(n)=17*a(n-1)-70*a(n-2)-54 with a(0)=1, a(1)=16 - Vincenzo Librandi, Jul 21 2010
MATHEMATICA
Table[10^n+7^n-1, {n, 0, 30}] (* or *) LinearRecurrence[{18, -87, 70}, {1, 16, 148}, 30] (* Harvey P. Dale, Aug 29 2024 *)
PROG
(PARI) a(n)=10^n+7^n-1^n \\ Charles R Greathouse IV, Jun 11 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Jan 31 2009
STATUS
approved