38272757domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of form p^2+q^3 where p and q are primes.at n=9A045700Numbers k such that lcm(1,2,3,...,k)/21 equals the denominator of the k-th harmonic number H(k).at n=4A342350Prime numbersat n=2334695