A173535 a(n) = (1/11) * (5*12^n + 6).

1, 6, 66, 786, 9426, 113106, 1357266, 16287186, 195446226, 2345354706, 28144256466, 337731077586, 4052772931026, 48633275172306, 583599302067666, 7003191624811986, 84038299497743826, 1008459593972925906, 12101515127675110866

Offset: 0

Author

Vincenzo Librandi, Nov 23 2010

Keywords

• nonn
• easy
• changed

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..900
• Index entries for linear recurrences with constant coefficients, signature (13, -12).

Crossrefs

Essentially the same as A127858.

Programs

Magma

[(1/11)*(5*12^n + 6): n in [0..20]]; // Vincenzo Librandi, Sep 28 2013

Mathematica

Table[(1/11) (5 12^n + 6), {n, 0, 20}] (* or *) CoefficientList[Series[(1 - 7 x)/((1 - x) (1 - 12 x)), {x, 0, 40}], x] (* Vincenzo Librandi, Sep 28 2013 *)

Formula

a(n) = 12*a(n-1) - 6, a(0)=1.

G.f.: (1-7*x)/((1-x)*(1-12*x)). - Vincenzo Librandi, Sep 28 2013

Extensions

Changed offset from 1 to 0 by, added 1 by Vincenzo Librandi, Sep 28 2013