615343domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes which are a concatenation of prime(k+4), prime(k+2) and prime(k) for some k.at n=2A239974Lagged Fibonacci Generator: a(n) = (100003 - 200003*n + 300007*n^3) mod 10^6 for n <= 55, a(n) = (a(n-24) + a(n-55)) mod 10^6.at n=12A380292Prime numbersat n=50254