OFFSET
0,3
COMMENTS
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (3,-2,-1,1).
FORMULA
G.f.: x*(x^2-4*x-1)/((x-1)^2*(x^2+x-1)). First differences are in A192750. [Colin Barker, Nov 13 2012]
a(n) = 5*Fibonacci(n+3) - (4*n+10). - N. J. A. Sloane, Dec 15 2015
MATHEMATICA
(See A192750.)
CoefficientList[Series[x (x^2-4x-1)/((x-1)^2(x^2+x-1)), {x, 0, 40}], x] (* or *) LinearRecurrence[{3, -2, -1, 1}, {0, 1, 7, 18}, 40] (* Harvey P. Dale, Feb 23 2022 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jul 09 2011
EXTENSIONS
Description corrected by Antti Karttunen, Dec 15 2015
Entry revised by N. J. A. Sloane, Dec 15 2015
STATUS
approved