E.g.f.: sin(x)/(1+LambertW(-x)).

A277461

E.g.f.: sin(x)/(1+LambertW(-x)).

Terms

    a(0) =0a(1) =1a(2) =2a(3) =11a(4) =104a(5) =1241a(6) =18216a(7) =317715a(8) =6414848a(9) =147107953a(10) =3776164000a(11) =107253230171

External references