76724

Appears in sequences

• Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 5 sites wide.at n=39A058368
• Constant term of the reduction by x^2 -> x+2 of the polynomial p(n,x) defined below in Comments.at n=14A192423
• Number of polygons formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.at n=9A345459