175963

Properties

Appears in sequences

• Number of nX3 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.at n=6A283037
• Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.at n=2A283041
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.at n=38A283042
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.at n=42A283042
• Primes p such that p+d is composite for all divisors d of p^2-1.at n=5A295818
• Prime numbersat n=15988