Number of (n+1) X (6+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).

A235085

Number of (n+1) X (6+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) =2554a(1) =4514a(2) =7810a(3) =14702a(4) =27218a(5) =53590a(6) =103702a(7) =210318a(8) =418838a(9) =866298a(10) =1758206a(11) =3687018a(12) =7583258a(13) =16071562a(14) =33396914a(15) =71419678a(16) =149733442a(17) =322890902a(18) =682659526a(19) =1484242286a(20) =3164667686a(21) =6938097082a(22) =14923990510a(23) =32998428714

External references