Expansion of g.f.: x^5/( (1-3*x) * (1-2*x) * (1-4*x) * (1-6*x+6*x^2) ).

A123955

Expansion of g.f.: x^5/( (1-3*x) * (1-2*x) * (1-4*x) * (1-6*x+6*x^2) ).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =15a(6) =139a(7) =1029a(8) =6691a(9) =40041a(10) =226435a(11) =1230009a(12) =6487195a(13) =33464145a(14) =169720915a(15) =849504825a(16) =4208146411a(17) =20674387905a(18) =100901918659a(19) =489826044489

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