Number of (n+2)X(2+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum one.
A255076
Number of (n+2)X(2+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum one.
Terms
- a(0) =676a(1) =2704a(2) =14161a(3) =66049a(4) =309136a(5) =1485961a(6) =7070281a(7) =33686416a(8) =161417025a(9) =772006225a(10) =3690562500a(11) =17654436900a(12) =84443710464a(13) =403869147049
External references
- oeis: A255076