144847

Properties

Appears in sequences

• Primes P(k) such that (2^k-P(k))*2^k-1 is prime.at n=31A181291
• Number of n X 7 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.at n=2A231522
• T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.at n=38A231523
• Number of 3Xn 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.at n=6A231525
• Prime numbersat n=13411