577692

Appears in sequences

• Number of cubic lattice walks that start and end at origin after 2n steps, not touching origin at intermediate stages.at n=5A049037
• Number A(n,k) of k-dimensional cubic lattice walks with 2n steps from origin to origin and avoiding early returns to the origin; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=41A361397