OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..300
Index entries for linear recurrences with constant coefficients, signature (9,-26,34,-21,5).
FORMULA
G.f.: (1 - 5*x + 7*x^2 + 15*x^3 + 6*x^4)/((1-5*x)*(1-x)^4). - Maksym Voznyy (voznyy(AT)mail.ru), Aug 13 2009
a(n) = 9*a(n-1) - 26*a(n-2) + 34*a(n-3) - 21*a(n-4) + 5*a(n-5).
PROG
(Magma) [5^n-n^3: n in [0..35]]; // Vincenzo Librandi, Jun 12 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved