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%I #3 Jan 17 2016 07:09:03
%S 1,462,2046,60954,4032703,463755018,86034010064
%N Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any west or southwest neighbors modulo n and the upper left element equal to 0.
%C Superdiagonal 4 of A267562.
%e Some solutions for n=4
%e ..0..0..1..2..3..3..3..0....0..0..1..1..2..2..3..0....0..1..2..2..2..2..3..3
%e ..0..1..1..2..2..2..3..0....0..1..1..1..2..3..3..3....0..1..1..1..2..2..3..0
%e ..1..1..1..1..2..3..3..3....0..0..1..1..2..2..3..3....0..1..1..1..2..3..3..0
%e ..0..0..0..1..2..2..2..3....3..0..1..2..2..2..3..0....0..0..0..1..2..3..3..3
%Y Cf. A267562.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 17 2016
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