Number of nX7 0..1 arrays with rows, antidiagonals and columns unimodal.
A223636
Number of nX7 0..1 arrays with rows, antidiagonals and columns unimodal.
Terms
- a(0) =29a(1) =841a(2) =12657a(3) =114713a(4) =748950a(5) =3907140a(6) =17224974a(7) =66448428a(8) =229624238a(9) =723456027a(10) =2106393383a(11) =5727793388a(12) =14669871333a(13) =35633091730a(14) =82556882471a(15) =183320486518a(16) =391738700030a(17) =808400385799
External references
- oeis: A223636