193104

Appears in sequences

• Theta series of Niemeier lattice of type D_4^6.at n=2A008700
• Duplicate of A008700.at n=2A047807
• Triangular array read by rows. T(n,k) is the number of closed walks of length 2n along the edges of a cube based at vertex v that return to v exactly k times, n>=0, 0<=k<=n.at n=32A336667
• Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=36A344857
• Number of polygons formed when every pair of vertices of a regular (2n-1)-gon are joined by an infinite line.at n=18A344866