211597

Properties

Appears in sequences

• Primes of the form (prime(k-1)+1)*(prime(k+1)-1) + 1, k>1.at n=19A087106
• Primes equal to the product of two successive sexy primes plus 6.at n=19A104229
• Number of (n+1) X (4+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=7A253491
• Prime numbersat n=18942