Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
A234819
Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
Terms
- a(0) =9716a(1) =22098a(2) =47136a(3) =129384a(4) =325424a(5) =994812a(6) =2794776a(7) =9151956a(8) =27722816a(9) =95289828a(10) =304241976a(11) =1084006404a(12) =3595734464a(13) =13167262212a(14) =44957454456a(15) =168155707716a(16) =587295900416
External references
- oeis: A234819