781453

Properties

Appears in sequences

• Primes of the form (prime(k-1)+1)*(prime(k+1)-1) + 1, k>1.at n=25A087106
• Primes equal to the product of two successive sexy primes plus 6.at n=26A104229
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.at n=37A264313
• Number of (2+1)X(n+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.at n=7A264315
• Prime numbersat n=62578