Number of (n+1)X(5+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal.
A233406
Number of (n+1)X(5+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal.
Terms
- a(0) =41a(1) =265a(2) =1461a(3) =6931a(4) =57941a(5) =216088a(6) =1661918a(7) =6745563a(8) =44238419a(9) =186635795a(10) =1129245723a(11) =4833595607
External references
- oeis: A233406