OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (4, -6, 4, -1).
FORMULA
a(0)=8, a(1)=343, a(2)=1728, a(3)=4913, a(n)=4*a(n-1)-6*a(n-2)+ 4*a(n-3)- a(n-4). - Harvey P. Dale, Apr 30 2013
G.f.: ( 8+311*x+404*x^2+27*x^3 ) / (x-1)^4 . - R. J. Mathar, Dec 03 2015
MATHEMATICA
(5*Range[0, 30]+2)^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {8, 343, 1728, 4913}, 30] (* Harvey P. Dale, Apr 30 2013 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved