72341domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p^4 + p +/- 1 are twin primes.at n=30A236951Number of solutions to x^2 + y^2 + z^2 + w^2 <= n^2, where x, y, z, w are positive odd integers.at n=44A349611Primes whose second, third and fourth digits are 234.at n=7A371833Prime numbersat n=7160