OFFSET
0,2
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..2000 (first 500 terms from R. H. Hardin)
Index entries for linear recurrences with constant coefficients, signature (2,0,-1,1,-1,0,-1).
FORMULA
G.f.: -(x^8+x^7+x^6+x^5+2*x^4-x^3-1)/(x^7+x^5-x^4+x^3-2*x+1). - R. J. Mathar, Jan 19 2011
MATHEMATICA
LinearRecurrence[{2, 0, -1, 1, -1, 0, -1}, {1, 2, 4, 8, 13, 22, 37, 63, 106}, 40] (* Harvey P. Dale, Apr 03 2022 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. H. Hardin, Aug 14 2009
EXTENSIONS
Edited by Alois P. Heinz, Feb 14 2018
STATUS
approved