147768domain: NAppears in sequencesTriangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k peaks of height >1 (n >= 1; 0 <= k <= n-1).at n=58A128747a(n) is the least number whose fourth power is an n-digit fourth power which has the maximum sum of digits (A373914(n)).at n=20A380111