Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 2 4 5 7 or 9.
A251649
Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 2 4 5 7 or 9.
Terms
- a(0) =2382a(1) =10248a(2) =31022a(3) =98306a(4) =482506a(5) =1563586a(6) =5248890a(7) =25151338a(8) =86588602a(9) =309874186a(10) =1436889898a(11) =5253854634a(12) =19877542282a(13) =89455192554a(14) =344043647178
External references
- oeis: A251649