245804
domain: N
Appears in sequences
- Number of prime pairs below 10^n having a difference of 52.at n=8A093980
- Number of nX3 0..1 arrays with every element equal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.at n=14A297938
- Place a point on the integer coordinates, up to |n|, along all four axial directions on a Cartesian plane, and then join an infinite straight line between every pair of points: a(n) is the number of finite regions created in the resulting graph.at n=13A386560