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%I #15 Sep 08 2022 08:45:04
%S 11,287,5183,82943,1244159,17915903,250822655,3439853567,46438023167,
%T 619173642239,8173092077567,106993205379071,1390911669927935,
%U 17974858503684095,231105323618795519,2958148142320582655,37716388814587428863,479219999055934390271,6070119988041835610111,76675199848949502443519
%N a(n) = n*12^n - 1.
%H Harry J. Smith, <a href="/A064758/b064758.txt">Table of n, a(n) for n = 1..150</a>
%H Paul Leyland, <a href="http://www.leyland.vispa.com/numth/factorization/cullen_woodall/cw.htm">Factors of Cullen and Woodall numbers</a>
%H Paul Leyland, <a href="http://www.leyland.vispa.com/numth/factorization/cullen_woodall/gcw.htm">Generalized Cullen and Woodall numbers</a>
%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (25,-168,144).
%F G.f.: x*(11 + 12*x - 144*x^2) / ((1 - 12*x)^2*(1 - x)). - _Vincenzo Librandi_, Jun 21 2018
%t CoefficientList[Series[(11 + 12 x - 144 x^2) / ((1 - 12 x)^2 (1 - x)), {x, 0, 33}], x] (* _Vincenzo Librandi_, Jun 21 2018 *)
%o (PARI) { for (n=1, 150, write("b064758.txt", n, " ", n*12^n - 1) ) } \\ _Harry J. Smith_, Sep 24 2009
%o (Magma) [n*12^n - 1: n in [1..30]]; // _Vincenzo Librandi_, Jun 21 2018
%Y Cf. A064750.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Oct 19 2001
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