163661domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 4 iterations of function f(x) = 3x + 8.at n=10A023309Primes formed by the concatenation 1, n, n^2, n, 1.at n=2A068676Expansion of Product_{k>=1} 1/(1-x^(k^2))^(k^2).at n=48A291655Prime numbersat n=14987