Number of (n+1) X (5+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235084

Number of (n+1) X (5+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =1078a(1) =2002a(2) =3610a(3) =7046a(4) =13446a(5) =27218a(6) =53882a(7) =111782a(8) =226726a(9) =478402a(10) =986794a(11) =2108630a(12) =4404870a(13) =9510434a(14) =20077706a(15) =43752230a(16) =93259894a(17) =205022194a(18) =441124138a(19) =978176486a(20) =2124530262a(21) =4751604194a(22) =10419142682a(23) =23500946774a(24) =52030658038

External references