353453domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes having only {3, 4, 5} as digits.at n=45A199345a(n) = [x^n] Product_{k>=1} ((1 + x^(2*k-1))/(1 - x^(2*k)))^n.at n=10A296045Numbers at the start of a run of exactly 3 consecutive primes that are Sophie Germain primes.at n=7A339476Prime numbersat n=30247