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A188965 Number of nX4 array permutations with each element moved and moved by a city block distance of no more than three.

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%I A188965 #6 Jul 22 2025 11:29:50
%S A188965 9,8132,22666641,62394485617,109564294856817
%N A188965 Number of nX4 array permutations with each element moved and moved by a city block distance of no more than three.
%C A188965 Column 4 of A188966
%e A188965 Some solutions for 3X4
%e A188965 ..1..0..3.10....1..0..7.11....1..0..7.10....1..0..7..6....1..0..7..5
%e A188965 ..6..7..4..2....2..9..4..3....6..3..4.11....5..4..3.10....2.10..8..4
%e A188965 .11..8..9..5...10..5..6..8....5..2..8..9...11..8..9..2....9..6.11..3
%K A188965 nonn
%O A188965 1,1
%A A188965 _R. H. Hardin_ Apr 14 2011

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