OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..750
Index entries for linear recurrences with constant coefficients, signature (3,-3,1).
FORMULA
G.f.: -841*x*(1+x) / (x-1)^3 . - R. J. Mathar, Mar 13 2015
EXAMPLE
a(1) = 29^2 = 841, a(2) = 58^2 = 3364, a(3) = 87^2 = 7569.
PROG
(Magma) [(29*n)^2: n in [0..50]]; // Vincenzo Librandi, Apr 26 2011
(PARI) a(n)=(29*n)^2 \\ Charles R Greathouse IV, Jun 17 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Richard Choulet, Dec 23 2007
EXTENSIONS
More terms from Philippe Deléham, Dec 21 2008
a(12) corrected by Vincenzo Librandi, Apr 26 2011
STATUS
approved