OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
Index entries for linear recurrences with constant coefficients, signature (6,-15,20,-15,6,-1).
FORMULA
G.f.: 59049*x*(1 + 26*x + 66*x^2 + 26*x^3 + x^4) / (x-1)^6. - R. J. Mathar, Jul 17 2014
PROG
(Magma) [(9*n)^5: n in [0..30]]; // Vincenzo Librandi, Jul 22 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved