111877
domain: N
Appears in sequences
- Second entry in row n of triangle in A169940.at n=36A169943
- Number of vertices among all distinct circles that can be constructed from the 4 vertices and the equally spaced 4*n points placed on the sides of a square when every pair of the 4 + 4*n points are connected by a circle and where the points lie at the ends of the circle's diameter.at n=8A373106