Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
A255088
Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.
Terms
- a(0) =3658a(1) =4405a(2) =8631a(3) =24034a(4) =70938a(5) =211945a(6) =644545a(7) =1975790a(8) =5959612a(9) =17859777a(10) =54088734a(11) =164536929a(12) =504055531a(13) =1549704102a(14) =4715077907a(15) =14275563536a(16) =43348350478a(17) =131770446808a(18) =402647526074
External references
- oeis: A255088