E.g.f. A(x) satisfies A'(x) = 1 + 2 * (exp(x) - 1) * A(x).

A355233

E.g.f. A(x) satisfies A'(x) = 1 + 2 * (exp(x) - 1) * A(x).

Terms

    a(0) =0a(1) =1a(2) =0a(3) =4a(4) =6a(5) =40a(6) =150a(7) =832a(8) =4494a(9) =27496a(10) =178278a(11) =1240720a(12) =9159678a(13) =71523448a(14) =588049878a(15) =5073746464a(16) =45800173038a(17) =431400176008

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