43905domain: NAppears in sequencesStrong pseudoprimes to base 59.at n=31A020285a(n) = 2*n^3 + 1.at n=28A033562Numbers k such that 157*2^k-1 is prime.at n=19A050830a(n)=7*a(n-1)-5*a(n-2), a(0)=1, a(1)=5.at n=6A147837a(n) = 56*n^2 + 1.at n=28A158660