282241

Properties

Appears in sequences

• Minimal factorial safe-primes: a prime p = a(n) here if (p-1)/n! = A051888(n).at n=8A051901
• Prime numbers arising from Schorn's proof that there are infinitely many primes.at n=17A104189
• Number of zero-one matrices with n ones and no zero rows or columns, up to permutation of rows.at n=9A116540
• Triangle T(n, k) = n!*binomial(n, k) - n! + 1, read by rows.at n=37A174690
• Triangle T(n, k) = n!*binomial(n, k) - n! + 1, read by rows.at n=43A174690
• a(n) = 7*n! + 1.at n=8A229554
• Triangular array read by rows: T(n,k) = n!*k + 1, n >= 1, 1 <= k <= n.at n=34A362777
• Triangular array read by rows: T(n,k) is the least prime factor of n!*k + 1, n >= 1, 1 <= k <= n.at n=34A362778
• Triangular array read by rows: T(n,k) is the greatest prime factor of n!*k + 1, n >= 1, 1 <= k <= n.at n=34A362779
• Prime numbersat n=24623