Number of (n+1) X (2+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235252

Number of (n+1) X (2+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =744a(1) =2592a(2) =8328a(3) =30300a(4) =102000a(5) =382036a(6) =1330480a(7) =5080484a(8) =18163048a(9) =70306060a(10) =256589296a(11) =1003233148a(12) =3722094784a(13) =14665343468a(14) =55134285800a(15) =218558955780a(16) =830555412752

External references