330611domain: NPropertiesPrimalityPrimeyesAppears in sequencesThe number of words of length n created with the letters a, b, c with at least as many a's as b's and at least as many b's as c's and no adjacent letters forming the pattern aba or bab.at n=14A176148Smallest of three consecutive primes whose average is a square.at n=6A226149Prime numbersat n=28452