194509domain: NAppears in sequencesStrong pseudoprimes to base 73.at n=33A020299Thickened cube numbers: a(n) = n*(n^2 + (n-1)^2) + (n-1)*2*n*(n-1).at n=36A050492Least k such that prime(n)^3 divides binomial(2k,k).at n=20A110496