1342433domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of tilings of a 24 X n rectangle using 3n octominoes of shape I.at n=23A251077Primes p, with k digits, such that the Sum_{i=1..k} (p without its i-th digit)/(its i-th digit) is a prime.at n=26A346206Prime numbersat n=103035