1011013domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) is the least prime whose representation contains a palindromic substring of length n.at n=5A115941a(n) = A000043(n) written in base 4.at n=19A161322Primes formed by concatenating k, k and 3 for k >= 1.at n=25A210512Prime numbersat n=79319