2249488

Appears in sequences

• Number of ways to move elements of an n X n X n triangular array to themselves or a neighbor, with no more than 2-1 elements moved to themselves.at n=5A271678
• T(n,k)=Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than k-1 elements moved to themselves.at n=26A271684