623681domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k!6+36, where k!6 is the sextuple factorial number (A085158).at n=6A288618a(n)=x is the least prime with pi(x,4,3) - pi(x,4,1) = 1-n where pi(x,4,k) is the number of primes 4*j + k <= x.at n=8A349519Prime numbersat n=50881