OFFSET
0,2
COMMENTS
Unsigned version of A152239.
LINKS
Paolo Xausa, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (5,7).
FORMULA
G.f.: (1+2*x)/(1-5*x-7*x^2).
MATHEMATICA
LinearRecurrence[{5, 7}, {1, 7}, 25] (* Paolo Xausa, Jan 19 2024 *)
PROG
(PARI) Vec((1+2*x)/(1-5*x-7*x^2)+O(x^99)) \\ Charles R Greathouse IV, Jan 17 2012
CROSSREFS
KEYWORD
nonn,easy,less
AUTHOR
Philippe Deléham, Nov 30 2008
EXTENSIONS
Several terms corrected by Johannes W. Meijer, Aug 17 2010
STATUS
approved