2874009601domain: NAppears in sequencesPrimes of the form 6*k! + 1.at n=6A062591a(n) = floor(n*n!/2 + 1).at n=11A082426Prime numbers arising from Schorn's proof that there are infinitely many primes.at n=31A104189a(n) = 6*n! + 1.at n=12A173314Primes of the form k!*m! + 1, with k <= m.at n=19A392757