Number of king permutations on n elements avoiding the mesh pattern (12, {(0,1),(0,2),(1,0),(1,1),(2,0),(2,2)}).

A383312

Number of king permutations on n elements avoiding the mesh pattern (12, {(0,1),(0,2),(1,0),(1,1),(2,0),(2,2)}).

Terms

    a(0) =1a(1) =1a(2) =0a(3) =0a(4) =2a(5) =14a(6) =86a(7) =624a(8) =5096a(9) =46554a(10) =470446a(11) =5214936a(12) =62943852a(13) =821949042a(14) =11548027442a(15) =173711893048

External references