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)}).
1, 1, 0, 0, 2, 14, 88, 632, 5152, 46976, 474056, 5249064, 63298724, 825977620, 11597642568, 174371083288, 2795208188972, 47592162832412, 857760977798888, 16315057829100968, 326599827759568812, 6863964030561807340, 151109048051281532488, 3477542225297684400056, 83503678542689445133052
Offset: 0
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