176850

Appears in sequences

• Triangle read by rows: number of permutation trees of power n and height <= k + 1.at n=39A179455
• Number of maps f: [n] -> [n] with f(x)<=x and f(f(x)) = f(f(f(x))).at n=9A187761
• Triangle read by rows, Bell transform of second order Bell numbers (A187761).at n=56A264430
• Square array read by ascending antidiagonals, Bell numbers iterated by the Bell transform.at n=75A265312