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A188223
G.f.: (1+x^2+x^3)/(1-x-x^2-x^4-x^5)
1
1, 1, 3, 5, 9, 16, 29, 53, 96, 174, 315, 571, 1035, 1876, 3400, 6162, 11168, 20241, 36685, 66488, 120503, 218400, 395829, 717402, 1300222, 2356527, 4270978, 7740736, 14029338, 25426823, 46083666, 83522203, 151375943, 274354307, 497240739, 901200915, 1633339800, 2960270965, 5365205811
OFFSET
0,3
LINKS
FORMULA
a(n) = a(n-1)+a(n-2)+a(n-4)+a(n-5).
MATHEMATICA
CoefficientList[Series[(1+x^2+x^3)/(1-x-x^2-x^4-x^5), {x, 0, 40}], x] (* Harvey P. Dale, Mar 28 2011 *)
CROSSREFS
Sequence in context: A069818 A227233 A054180 * A348125 A135575 A354910
KEYWORD
nonn
AUTHOR
STATUS
approved