125659domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 4 iterations of the function f(x) = 9x + 8.at n=28A023326Number of 4-tuples (w,x,y,z) with all terms in {1,...,n} and w*x>2*y*z.at n=25A211797Least prime in a string of exactly n consecutive primes all differing by semiprimes.at n=11A220697Prime numbersat n=11790