39372480domain: NAppears in sequencesGeneralized Stirling numbers.at n=6A061689Triangle of generalized Stirling numbers.at n=42A061691Numbers (excluding primes and powers of primes) such that the root mean cube of their prime factors is a prime (where the root mean cube of c and d is ((c^3+d^3)/2)^(1/3)).at n=9A134615