Number of n X n integer matrices (m_{i,j}) such that m_{1,1}=0, m_{n,n}=2, and all rows, columns, and falling diagonals are (weakly) monotonic without jumps of 2.
A306322
Number of n X n integer matrices (m_{i,j}) such that m_{1,1}=0, m_{n,n}=2, and all rows, columns, and falling diagonals are (weakly) monotonic without jumps of 2.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =25a(4) =386a(5) =4657a(6) =54219a(7) =642815a(8) =7852836a(9) =98755951a(10) =1273299491a(11) =16761968919a(12) =224508932229
External references
- oeis: A306322