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A188952 Number of n X n array permutations with each element moved no more than a city block distance of two 0

%I

%S 1,24,29172,504690017,229188213745576

%N Number of n X n array permutations with each element moved no more than a city block distance of two

%C Diagonal of A188958

%e Some solutions for 3X3

%e ..3..0..4....3..0..2....4..7..8....0..2..1....0..1..8....4..0..8....2..7..0

%e ..1..2..7....1..8..4....0..1..3....7..3..8....7..2..5....7..2..3....3..1..4

%e ..6..8..5....6..7..5....6..5..2....6..5..4....3..4..6....6..1..5....6..5..8

%K nonn

%O 1,2

%A _R. H. Hardin_ Apr 14 2011

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Last modified January 20 18:38 EST 2022. Contains 350472 sequences. (Running on oeis4.)