18337680

Appears in sequences

• n-th derivative of x^((x^(x^x))^x) at x=1.at n=9A215643
• Ninth derivative of f_n at x=1, where f_n is the n-th of all functions that are representable as x^x^...^x with m>=1 x's and parentheses inserted in all possible ways.at n=14A215839