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A132395
a(n) = (11^(n+2) + 12^(2*n+1))/133.
1
1, 23, 1981, 270623, 38808661, 5586675623, 804461802541, 115842285207023, 16681286711863621, 2402105260570936823, 345903157236903231901, 49810054638975637017023, 7172647867977969018307381
OFFSET
0,2
FORMULA
G.f.: (-132*x + 1)/( (144*x-1)*(11*x-1) ). - Alexander R. Povolotsky, Apr 26 2008
{-1584 a(n) + 155 a(n + 1) - a(n + 2), a(0) = 1, a(1) = 23}. - Robert Israel, May 14 2008
MATHEMATICA
Table[(11^(n + 2) + 12^(2*n + 1))/133, {n, 0, 15}] (* Stefan Steinerberger, Nov 13 2007 *)
PROG
(PARI) a(n)=(11^(n+2)+12^(2*n+1))/133
CROSSREFS
Sequence in context: A319508 A331340 A269122 * A064016 A263462 A138735
KEYWORD
nonn,easy
AUTHOR
STATUS
approved