Number of n X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
A224032
Number of n X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
Terms
- a(0) =2a(1) =8a(2) =37a(3) =168a(4) =734a(5) =3107a(6) =12856a(7) =52356a(8) =210890a(9) =843084a(10) =3353221a(11) =13291387a(12) =52567559a(13) =207621934a(14) =819398693a(15) =3232688584a(16) =12752707695a(17) =50314551092a(18) =198559706395a(19) =783841017918
External references
- oeis: A224032