Number of 6 X n 0..3 arrays with rows unimodal and antidiagonals nondecreasing.
A224208
Number of 6 X n 0..3 arrays with rows unimodal and antidiagonals nondecreasing.
Terms
- a(0) =4096a(1) =1600000a(2) =72105068a(3) =1229044416a(4) =12652618110a(5) =96914926654a(6) =618703866073
External references
- oeis: A224208