OFFSET
0,3
COMMENTS
Row sums of Riordan array (1,x(1-12x)).
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (1, -12).
FORMULA
a(n) = a(n-1)-12*a(n-2), a(0)=1, a(1)=1.
a(n) = Sum_{k, 0<=k<=n} A109466(n,k)*12^(n-k).
MATHEMATICA
LinearRecurrence[{1, -12}, {1, 1}, 100] (* G. C. Greubel, Jan 30 2016 *)
PROG
(Sage) [lucas_number1(n, 1, 12) for n in range(1, 26)] # Zerinvary Lajos, Apr 22 2009
(PARI) Vec(1/(1-x*(1-12*x))+O(x^99)) \\ Charles R Greathouse IV, Sep 26 2012
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Philippe Deléham, Oct 27 2008
STATUS
approved