OFFSET
2,2
COMMENTS
Essentially the same as A023864 with different indexing.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 2..1000
Index entries for linear recurrences with constant coefficients, signature (1,3,-2,-1,-1,-3,2,1,1,1).
FORMULA
G.f.:(-1-x^5-2*x^2-x)/((x^2+x-1)*(x^4+x^2-1)^2) [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 27 2009]
MATHEMATICA
CoefficientList[Series[( (-1-x^5-2x^2-x)/((x^2+x-1)(x^4+x^2-1)^2) ), {x, 0, 30}], x] (* or *) LinearRecurrence[{1, 3, -2, -1, -1, -3, 2, 1, 1, 1}, {1, 2, 7, 11, 27, 44, 91, 147, 278, 450}, 30] (* Harvey P. Dale, Dec 26 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved