856719

Appears in sequences

• Least k such that gcd(prime(k)+1, prime(k+1)+1) = 2n.at n=37A067603
• T(n,k)=Number of nXk 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.at n=37A232295
• Number of 2Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.at n=7A232296