OFFSET
0,3
LINKS
FORMULA
G.f.: x/(1-3*x-2*x^2-x^3). [R. J. Mathar, Mar 19 2009]
a(n) = 11*a(n-2) +7*a(n-3)+3*a(n-4). [Gary Detlefs, Sep 13 2010]
MATHEMATICA
M = {{0, 1, 0}, {0, 0, 1}, {1, 2, 3}} a3 = Table[MatrixPower[M, i][[1, 3]], {i, 1, 50}]
LinearRecurrence[{3, 2, 1}, {0, 1, 3}, 40] (* Vladimir Joseph Stephan Orlovsky, Jan 31 2012 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, Jun 06 2005
EXTENSIONS
Definition replaced by the Adamson recurrence - the Associate Editors of the OEIS, Sep 28 2009
STATUS
approved