116741domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of free tree-like polycubes of size n in three dimensions.at n=9A304196Primes p such that p^2+q+r, p+q^2+r and p+q+r^2 are all prime, where q and r are the next two primes after p.at n=18A348353Prime numbersat n=11022