Number of 6Xn 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
A223966
Number of 6Xn 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
Terms
- a(0) =4096a(1) =403104a(2) =5777663a(3) =37844037a(4) =163752797a(5) =556027700a(6) =1629022329a(7) =4351046624a(8) =10953882109a(9) =26519610433a(10) =62472567689a(11) =144124515790a(12) =326646013571a(13) =728132468716
External references
- oeis: A223966