%I #4 Jan 20 2016 07:44:45
%S 1,462,786,3428,14138,55105,211044,807164,3087973,11817336,45232264,
%T 173151134,662878034,2537840433,9716563504,37202855866,142447146042,
%U 545436779876,2088564662921,7997681304224,30626181091364,117282753874594
%N Number of nX6 arrays of permutations of 6 copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0.
%C Column 6 of A267742.
%H R. H. Hardin, <a href="/A267740/b267740.txt">Table of n, a(n) for n = 1..32</a>
%e Some solutions for n=4
%e ..0..0..0..1..1..2....0..0..0..0..1..2....0..0..0..1..2..2....0..1..1..2..2..2
%e ..0..1..1..2..2..3....1..1..1..1..2..2....0..1..1..2..3..3....2..2..2..3..3..3
%e ..1..1..2..3..3..3....2..2..2..3..3..0....1..1..2..3..3..0....3..3..0..0..0..1
%e ..2..2..3..3..0..0....3..3..3..3..0..1....2..2..3..3..0..1....3..0..0..1..1..1
%Y Cf. A267742.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 20 2016
|