Number of king permutations on n elements avoiding the mesh pattern (12, {(0,1),(0,2),(1,0),(2,0)}).
A383040
Number of king permutations on n elements avoiding the mesh pattern (12, {(0,1),(0,2),(1,0),(2,0)}).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =0a(4) =2a(5) =12a(6) =78a(7) =568a(8) =4674a(9) =42944a(10) =436314a(11) =4860020a(12) =58914870a(13) =772330276a(14) =10888803374a(15) =164310553184
External references
- oeis: A383040