339601domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (w,x,y,z) with all terms in {0,...,n} such that range{w,x,y,z} is not one of the numbers w,x,y,z.at n=25A212569Primes p with pi(p), pi(pi(p)) and pi(p^2) all prime, where pi(.) is given by A000720.at n=26A237687Prime numbersat n=29153