Number of king permutations on n elements avoiding the mesh pattern (12, {(0,0),(0,1),(1,0),(1,2),(2,1),(2,2)}).
A383406
Number of king permutations on n elements avoiding the mesh pattern (12, {(0,0),(0,1),(1,0),(1,2),(2,1),(2,2)}).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =0a(4) =2a(5) =14a(6) =88a(7) =632a(8) =5152a(9) =46976a(10) =474056a(11) =5249064a(12) =63298724a(13) =825977620a(14) =11597642568a(15) =174371083288
External references
- oeis: A383406