%I
%S 1,10,15,22,30,38,46,54,62,70,78,86
%N Number of nX(n+1) arrays of permutations of n+1 copies of 0..n1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0.
%C Superdiagonal 1 of A267328.
%e Some solutions for n=4
%e ..0..1..2..3..0....0..1..2..3..0....0..0..1..1..2....0..1..2..3..0
%e ..0..1..2..3..3....0..1..2..3..0....3..0..1..2..2....1..1..2..3..0
%e ..0..1..2..2..3....1..1..2..3..0....3..0..1..2..3....1..2..2..3..0
%e ..0..1..1..2..3....1..2..2..3..3....3..0..1..2..3....1..2..3..3..0
%Y Cf. A267328.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 13 2016
