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).
A235016
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).
Terms
- a(0) =11400a(1) =14600a(2) =19560a(3) =28968a(4) =44680a(5) =74888a(6) =128776a(7) =235240a(8) =437928a(9) =853928a(10) =1698888a(11) =3513672a(12) =7432648a(13) =16248488a(14) =36317416a(15) =83329384a(16) =194803464a(17) =464181896a(18) =1121480328a(19) =2744583528a(20) =6780016936a(21) =16886392616a(22) =42310371784a(23) =106547257288
External references
- oeis: A235016