282671domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 4*a(n-1) - 2*a(n-2) + a(n-3) - 4*a(n-4) + a(n-5) for n >= 6, where a(1) = 1, a(2) = 3, a(3) = 5, a(4) = 16, a(5) = 53.at n=11A339828Primes p such that p + 6, p + 12, p + 20, p + 26 and p + 32 are also primes.at n=27A384769Prime numbersat n=24653