144177

Appears in sequences

• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.at n=46A221828
• Number of 2 X n arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.at n=8A221829
• 26-gonal pyramidal numbers: a(n) = n*(n+1)*(8*n-7)/2.at n=33A256646