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A139746
a(n) = 11^n - 8^n.
2
0, 3, 57, 819, 10545, 128283, 1509417, 17390019, 197581665, 2223729963, 24863682777, 276721736019, 3069708899985, 33972956330043, 375351787072137, 4142063797326819, 45668254886861505, 503195228685608523, 5541902914982749497, 61014975260338690419
OFFSET
0,2
FORMULA
a(n) = 19*a(n-1) - 88*a(n-2). - Vincenzo Librandi, Jun 02 2011
MATHEMATICA
Table[11^n-8^n, {n, 0, 30}] (* or *) LinearRecurrence[{19, -88}, {0, 3}, 30] (* Harvey P. Dale, Apr 13 2019 *)
PROG
(Magma) [11^n-8^n: n in [0..30]]; // Vincenzo Librandi, Jun 02 2011
CROSSREFS
Sequence in context: A171356 A060483 A262127 * A273919 A157929 A053725
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 20 2008
STATUS
approved