288467domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that 30*n+{1,7,11,17,19,23,29} are all prime.at n=4A100420Prime numbers p such that (p-2)! + 1 is prime.at n=10A177502Numbers k such that there are exactly 7 primes between 30*k and 30*k+30.at n=33A385124Prime numbersat n=25097