Number of n X n 0..1 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.
A223763
Number of n X n 0..1 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.
Terms
- a(0) =2a(1) =12a(2) =71a(3) =361a(4) =1748a(5) =8007a(6) =35513a(7) =153450a(8) =651075a(9) =2723829a(10) =11275932a(11) =46302339a(12) =188958191a(13) =767474182a(14) =3105857015
External references
- oeis: A223763