53987domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of partitions of n^3 into distinct cubes.at n=45A030272Concatenation of n-th prime and n-th Fibonacci number.at n=15A138822Primes p such that phi(p-3) = phi(phi(p-2)-1).at n=21A271658Prime numbersat n=5499