Expansion of e.g.f. LambertW( -2*x/(1-x) ) / (-2*x).

A352448

Expansion of e.g.f. LambertW( -2*x/(1-x) ) / (-2*x).

Terms

    a(0) =1a(1) =3a(2) =22a(3) =278a(4) =5128a(5) =125592a(6) =3850000a(7) =142013328a(8) =6129705088a(9) =303238991744

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