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

A385367

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

Terms

    a(0) =1a(1) =2a(2) =8a(3) =46a(4) =352a(5) =3378a(6) =38912a(7) =522702a(8) =8024064a(9) =138586722a(10) =2659565568a(11) =56141737518

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