a(n) = numerator of b(n), where sum{m>=0} b(m)*x^m/m! = x/(sum{m>=1} H(m) x^m/m!) = exp(-x)*x/(sum{m>=1} x^m (-1)^(m+1)/(m!*m)). (H(m) = sum{k=1 to m} 1/k.).

A128061

a(n) = numerator of b(n), where sum{m>=0} b(m)*x^m/m! = x/(sum{m>=1} H(m) x^m/m!) = exp(-x)*x/(sum{m>=1} x^m (-1)^(m+1)/(m!*m)). (H(m) = sum{k=1 to m} 1/k.).

Terms

    a(0) =1a(1) =-3a(2) =37a(3) =-29a(4) =2761a(5) =-97a(6) =-268271a(7) =14759a(8) =2804929a(9) =-9435089a(10) =3731508001a(11) =1185970223

External references