853928

Appears in sequences

• Number of (n+1) X (7+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=9A235016
• a(n) = A324543(2*A000040(n)).at n=21A324549