E.g.f.: Product_{k>=1} 1/(1 - x^(3*k-2)/(3*k-2)).

A326756

E.g.f.: Product_{k>=1} 1/(1 - x^(3*k-2)/(3*k-2)).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =30a(5) =150a(6) =900a(7) =7020a(8) =58680a(9) =528120a(10) =5644080a(11) =63510480a(12) =769610160a(13) =10483933680a(14) =150733677600

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