n-th derivative of the ninth tetration of x (power tower of order 9) x^^9 at x=1.

A277540

n-th derivative of the ninth tetration of x (power tower of order 9) x^^9 at x=1.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =9a(4) =56a(5) =480a(6) =5094a(7) =65534a(8) =984808a(9) =16992144a(10) =327038880a(11) =6951172272a(12) =160900135032

External references