256889

Properties

Appears in sequences

• Primes p such that 1000p-1, 1000p-3, 1000p-7 and 1000p-9 are all prime.at n=15A243410
• Number of (n+2) X (2+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.at n=26A257441
• Prime numbersat n=22590