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%I #33 Mar 09 2022 21:15:03
%S 0,9,117,1323,14625,161019,1771497,19487043,214358625,2357947179,
%T 25937423577,285311668563,3138428372625,34522712135739,
%U 379749833566857,4177248169382883,45949729863506625,505447028499162699,5559917313491969337,61159090448414022003
%N a(n) = 11^n - 2^n.
%H Vincenzo Librandi, <a href="/A139740/b139740.txt">Table of n, a(n) for n = 0..300</a>
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (13,-22).
%F a(n) = 13*a(n-1) - 22*a(n-2). - _Vincenzo Librandi_, Jun 02 2011
%F a(n) = A001020(n) - A000079(n). - _Michel Marcus_, Feb 28 2022
%F a(n) = 9 * A016135(n-1), n > 0. - _Bernard Schott_, Mar 09 2022
%o (Sage) [11^n - 2^n for n in range(0,20)] # _Zerinvary Lajos_, Jun 05 2009
%o (Magma) [11^n-2^n: n in [0..30]]; // _Vincenzo Librandi_, Jun 02 2011
%o (PARI) a(n)=11^n-2^n \\ _Charles R Greathouse IV_, Mar 26 2012
%o (Python) [11**n-2**n for n in range(20)] # _Gennady Eremin_, Mar 05 2022
%Y Cf. A016135.
%Y Cf. A000079, A001020.
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_, May 20 2008
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