Number of nX4 0..1 arrays with rows, diagonals and antidiagonals unimodal.
A223665
Number of nX4 0..1 arrays with rows, diagonals and antidiagonals unimodal.
Terms
- a(0) =11a(1) =121a(2) =948a(3) =6454a(4) =44693a(5) =321163a(6) =2343189a(7) =17087771a(8) =124218846a(9) =901767902a(10) =6546694983a(11) =47541956223a(12) =345294309121
External references
- oeis: A223665