38911949domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that n, 2n+1, 3n+2, 4n+3, 5n+4, 6n+5 are primes.at n=26A101767Numbers k such that k, 2*k+1, 3*k+2, 4*k+3, 5*k+4, 6*k+5, 7*k+6 are primes.at n=7A101768Prime numbersat n=2371382