OFFSET
1,1
FORMULA
a(1)=-81, a(2)=-143, a(3)=-217, a(4)=-297, a(n)=4*a(n-1)-6*a(n-2)+ 4*a(n-3)- a(n-4). - Harvey P. Dale, Jul 10 2013
MATHEMATICA
a[n_]:=n^3-(3*(n+3))^2; lst={}; Do[AppendTo[lst, a[n]], {n, 0, 5!}]; lst
Table[n^3-(3(n+3))^2, {n, 0, 40}] (* or *) LinearRecurrence[{4, -6, 4, -1}, {-81, -143, -217, -297}, 40] (* Harvey P. Dale, Jul 10 2013 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Vladimir Joseph Stephan Orlovsky, Dec 22 2008
STATUS
editing