367839

Appears in sequences

• Integers n such that 2n^2+1, 2n^3+1, 2n^4+1 and 2n^5+1 are prime.at n=13A239925
• Number of (n+1) X (3+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=7A250750