E.g.f. satisfies A(x) = exp( Integral abs(1/A(x)^2) dx ), where abs(F(x)) equals the series expansion formed by the unsigned coefficients in F(x).

A381361

E.g.f. satisfies A(x) = exp( Integral abs(1/A(x)^2) dx ), where abs(F(x)) equals the series expansion formed by the unsigned coefficients in F(x).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =7a(4) =41a(5) =225a(6) =1435a(7) =11815a(8) =108945a(9) =1062145a(10) =12367475a(11) =154967175a(12) =2052583225a(13) =30729193825a(14) =489419016075

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