Expansion of e.g.f. Product_{k>=1} ((1 + (exp(x)-1)^k) / (1 - (exp(x)-1)^k))^2.

A316144

Expansion of e.g.f. Product_{k>=1} ((1 + (exp(x)-1)^k) / (1 - (exp(x)-1)^k))^2.

Terms

    a(0) =1a(1) =4a(2) =28a(3) =268a(4) =3148a(5) =43564a(6) =692428a(7) =12390508a(8) =245896588a(9) =5351817004a(10) =126614238028

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