G.f.: (1+x^3)*(1+x^5)*(1+x^6)/((1-x^4)*(1-x^5)*(1-x^6)). 1, 0, 0, 1, 1, 2, 2, 1, 3, 4, 4, 5, 5, 6, 8, 9, 9, 10, 12, 13, 15, 16, 16, 19, 21, 22, 24, 25
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