OFFSET
0,2
COMMENTS
Other similar sequences:
LINKS
Bruno Berselli, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (3,-3,1).
FORMULA
MAPLE
MATHEMATICA
Table[(15 n^2 + 9 n + 2)/2, {n, 0, 45}]
CoefficientList[Series[(1 + 10 x + 4 x^2) / (1 - x)^3, {x, 0, 50}], x] (* Vincenzo Librandi, Aug 18 2013 *)
PROG
(Magma) /* By first comment: */ A000566:=func<n | n*(5*n-3)/2>; [n*A000566(n)-(n-1)*A000566(n-1): n in [1..45]];
(Magma) [(15*n^2 + 9*n + 2)/2: n in [0..50]]; // Vincenzo Librandi, Aug 18 2013
(Maxima) A220083(n):=(15*n^2 + 9*n + 2)/2$ makelist(A220083(n), n, 0, 20); /* Martin Ettl, Dec 11 2012 */
(PARI) a(n)=(15*n^2+9*n+2)/2 \\ Charles R Greathouse IV, Oct 07 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Bruno Berselli, Dec 10 2012
STATUS
approved