93876domain: NAppears in sequencesMaximal number of regions into which 4-space can be divided by n hyperspheres.at n=34A059173C(2n-1,n-1) mod n^4.at n=24A099908a(n) = binomial(2*c-1, c-1) (mod c^4), where c is the n-th composite number.at n=14A298946