Main diagonal of rectangular array A274391 of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x).

A274388

Main diagonal of rectangular array A274391 of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =82a(4) =2729a(5) =151376a(6) =12567187a(7) =1457297878a(8) =224869459201

External references