G.f. -(x^3+5x+5)/((x^2-x+1)*(x+1)^2). 5, 0, 0, 4, 1, 1, 3, 2, 2, 2, 3, 3, 1, 4, 4, 0, 5, 5, 1, 6, 6, 2, 7, 7, 3, 8, 8, 4
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