390391

Properties

Appears in sequences

• Primes of the form 30030*p + 1 where p is a prime.at n=2A051651
• Number of (n+1) X (1+1) 0..2 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=7A250585
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=28A250592
• Numbers k such that psi(phi(k))/k > psi(phi(m))/m for all m < k, where phi is Euler's totient function (A000010) and psi is the Dedekind psi function (A001615).at n=30A293712
• Primes formed by the concatenation of exactly two consecutive composite numbers.at n=25A342049
• Prime numbersat n=33100