Number of n X 3 arrays with rows being permutations of 0..2 and no column j greater than column j-1 in all rows.
A212850
Number of n X 3 arrays with rows being permutations of 0..2 and no column j greater than column j-1 in all rows.
Terms
- a(0) =1a(1) =19a(2) =163a(3) =1135a(4) =7291a(5) =45199a(6) =275563a(7) =1666495a(8) =10038331a(9) =60348079a(10) =362442763a(11) =2175719455a(12) =13057505371a(13) =78354598159a(14) =470156286763
External references
- oeis: A212850