92227domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = (3*n^5 - 35*n^4 + 145*n^3 - 235*n^2 + 152*n + 30)/30.at n=18A161704Prime numbers containing the string 222.at n=21A166580a(n) = the n-th prime + A175195(n).at n=18A175196Smallest of four consecutive primes whose average is a triangular number.at n=38A226155Prime numbersat n=8907