5541311domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form p*q+4 where p and q are consecutive primes.at n=26A063442Maximum denominator among the n! ratios equal to the continued fractions which have the permutations of (1,2,3,...,n) for terms.at n=9A105216Prime numbersat n=383443