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
From G. C. Greubel, Oct 17 2023: (Start)
G.f.: (27 + 892*x + 1075*x^2 + 64*x^3)/(1 - x)^4.
E.g.f.: (27 + 973*x + 1470*x^2 + 343*x^3)*exp(x). (End)
MATHEMATICA
(7*Range[0, 40] +3)^3 (* G. C. Greubel, Oct 17 2023 *)
PROG
(Magma) [(7*n+3)^3: n in [0..35]]; // Vincenzo Librandi, Jul 14 2011
(SageMath) [(7*n+3)^3 for n in range(41)] # G. C. Greubel, Oct 17 2023
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved