OFFSET
0,1
REFERENCES
T. A. Gulliver, Sequences from Cubes of Integers, Int. Math. Journal, 4 (2003), 439-445.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (4,-6,4,-1).
FORMULA
From R. J. Mathar, Feb 26 2008: (Start)
O.g.f.: 28/(1-x)^2 - 48/(1-x)^3 + 24/(1-x)^4.
a(n) = 4*A001093(n). (End)
E.g.f.: 4*(1 + x + 3*x^2 + x^3)*exp(x). - G. C. Greubel, Mar 29 2024
MATHEMATICA
4*(Range[0, 50]^3 +1) (* G. C. Greubel, Mar 29 2024 *)
PROG
(Magma) [4*n^3+4: n in [0..40]]; // Vincenzo Librandi, Jun 15 2011
(SageMath) [4*(n^3+1) for n in range(41)] # G. C. Greubel, Mar 29 2024
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jan 12 2005
STATUS
approved