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.: (343 + 2724*x + 1299*x^2 + 8*x^3)/(x-1)^4. - R. J. Mathar, Mar 20 2018
MATHEMATICA
(9*Range[0, 30]+7)^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {343, 4096, 15625, 39304}, 30] (* Harvey P. Dale, Mar 05 2023 *)
PROG
(Magma) [(9*n+7)^3: n in [0..35]]; // Vincenzo Librandi, Jul 27 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved