456151domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 4 iterations of function f(x) = 3x + 8.at n=23A023309Let f(n,x) = 1 + 4x + 6x^2 + 8x^3 + 9x^4 + ... + composite(n)*x^n; a(n)= smallest prime f(n,x), or 0 if no such prime exists.at n=8A088124Prime numbersat n=38177