Number of n X 6 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.
A224171
Number of n X 6 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.
Terms
- a(0) =610a(1) =52591a(2) =1253770a(3) =15925611a(4) =143558572a(5) =1038484760a(6) =6360047093a(7) =33901838632a(8) =160168789130a(9) =680269560125
External references
- oeis: A224171