Expansion of e.g.f.: sqrt( -LambertW(-x) / LambertW(x) ).

A215881

Expansion of e.g.f.: sqrt( -LambertW(-x) / LambertW(x) ).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =10a(4) =37a(5) =716a(6) =4741a(7) =136760a(8) =1314377a(9) =50468752a(10) =637409641a(11) =30580648352a(12) =479025538861

External references