OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (16,-73,90)
FORMULA
From Vincenzo Librandi, Mar 16 2011: (Start)
a(n) = 16*a(n-1) - 73*a(n-2) + 90*a(n-3), n >= 3.
a(n) = 14*a(n-1) - 45*a(n-2) + 2^n, n >= 2. (End)
a(n) = 2^(n+2)/21 + 9^(n+2)/28 - 5^(n+2)/12. - R. J. Mathar, Mar 18 2011
MATHEMATICA
CoefficientList[Series[1/((1-2x)(1-5x)(1-9x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{16, -73, 90}, {1, 16, 183}, 30] (* Harvey P. Dale, Jul 06 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved