Series(W(exp(1)*(1+x)), x) = sum( a[ n ]/(2^(2*n)*n!), n=0..infinity), where W is the Lambert W function.

A013703

Series(W(exp(1)*(1+x)), x) = sum( a[ n ]/(2^(2*n)*n!), n=0..infinity), where W is the Lambert W function.

Terms

    a(0) =1a(1) =2a(2) =-6a(3) =38a(4) =-370a(5) =4874a(6) =-81046a(7) =1628710a(8) =-38393538a(9) =1038795658a(10) =-31730277062

External references