55454

Appears in sequences

• a(n) = n*(94 + 5*n + 25*n^2 - 5*n^3 + n^4)/120.at n=24A057703
• Triangle T(n,k) of numbers of distinct shapes under rotation of non-extendable (complete) non-self-adjacent simple paths within a square lattice bounded by rectangles with nodal dimensions n and k, n >= k >= 2.at n=18A213249