n-th derivative of x^(x^(n-1)) at x=1.

A216351

n-th derivative of x^(x^(n-1)) at x=1.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =12a(4) =156a(5) =3160a(6) =87990a(7) =3218628a(8) =150271520a(9) =8710554816a(10) =610951827960

External references