OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (6, -15, 20, -15, 6, -1).
FORMULA
a(0)=1, a(1)=248832, a(2)=6436343, a(3)=45435424, a(4)=184528125, a(5)=550731776, a(n)=6*a(n-1)-15*a(n-2)+20*a(n-3)-15*a(n-4)+ 6*a(n-5)- a(n-6) [From Harvey P. Dale, Apr 04 2012]
MATHEMATICA
(11Range[0, 20]+1)^5 (* or *) LinearRecurrence[{6, -15, 20, -15, 6, -1}, {1, 248832, 6436343, 45435424, 184528125, 550731776}, 20] (* Harvey P. Dale, Apr 04 2012 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved