Expansion of e.g.f. exp((x + x^2/2 + x^3/6)/(1-x)).

A361548

Expansion of e.g.f. exp((x + x^2/2 + x^3/6)/(1-x)).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =20a(4) =126a(5) =966a(6) =8656a(7) =88544a(8) =1016380a(9) =12920156a(10) =179996816a(11) =2725070096a(12) =44521522024a(13) =780344770440

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