Number of nX2 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
A278366
Number of nX2 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
Terms
- a(0) =0a(1) =0a(2) =59a(3) =1465a(4) =19047a(5) =194726a(6) =1734714a(7) =13506810a(8) =91496261a(9) =543067118a(10) =2862579656a(11) =13596395709a(12) =58966870090a(13) =236182156566a(14) =882025314222
External references
- oeis: A278366