Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1.
A256024
Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1.
Terms
- a(0) =154a(1) =484a(2) =1689a(3) =5559a(4) =18881a(5) =65202a(6) =223901a(7) =772322a(8) =2674536a(9) =9246717a(10) =31958849a(11) =110567125a(12) =382593936a(13) =1323597069a(14) =4578966412a(15) =15842082720a(16) =54811158663a(17) =189635937913a(18) =656096229235
External references
- oeis: A256024