3262922884

Appears in sequences

• Number of 2 X n arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.at n=13A221256
• Number of nX2 0..4 arrays with no entry increasing mod 5 by 4 rightwards or downwards, starting with upper left zero.at n=8A222138
• a(n) = 4*(n+4)^(n-1).at n=9A362355