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

A215629

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =9a(4) =80a(5) =660a(6) =6714a(7) =77084a(8) =1005640a(9) =14572944a(10) =233086920a(11) =4066783512a(12) =76906345944

External references