OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
Index entries for linear recurrences with constant coefficients, signature (4, -6, 4, -1).
FORMULA
G.f.: 27*(8 + 93*x + 60*x^2 + x^3)/(x-1)^4. - R. J. Mathar, Mar 20 2018
MATHEMATICA
(9*Range[0, 30]+6)^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {216, 3375, 13824, 35937}, 30] (* Harvey P. Dale, Feb 14 2018 *)
PROG
(Magma) [(9*n+6)^3: n in [0..35]]; // Vincenzo Librandi, Jul 25 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved