38903domain: NPropertiesPrimalityPrimeyesAppears in sequencesTrajectory of 3 under map n->35n+1 if n odd, n->n/2 if n even.at n=17A037115G.f. A(x) equals an infinite symmetric composition of functions x+x^n, n=2,3,4,...at n=10A163137Primes that are the first in a run of exactly 4 emirps.at n=20A346024Prime numbersat n=4098