OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (3, -3, 1).
FORMULA
a(0)=9, a(1)=196, a(2)=625, a(n)=3*a(n-1)-3*a(n-2)+a(n-3). - Harvey P. Dale, Nov 02 2013
MATHEMATICA
(11Range[0, 30]+3)^2 (* or *) LinearRecurrence[{3, -3, 1}, {9, 196, 625}, 30] (* Harvey P. Dale, Nov 02 2013 *)
PROG
(PARI) a(n)=(11*n+3)^2 \\ Charles R Greathouse IV, Jun 17 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved