%I #11 Oct 07 2019 01:57:30
%S 10654607,149824887097,103565705397639,14572563308953245,
%T 774355028021195459,21369796486647028143,368448539594713382337,
%U 4459232627488479738855,40959753617162679435381,301639473232633417395629
%N Number of lower triangles of a 6 X 6 integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by n or less and triangles differing by a constant counted only once.
%C Row 6 of A195220.
%C a(n) is an Ehrhart polynomial of degree 20. - _Robert Israel_, Oct 07 2019
%H R. H. Hardin, <a href="/A195224/b195224.txt">Table of n, a(n) for n = 1..17</a>
%e Some solutions for n=5:
%e 0 0 0 0
%e 1 1 -5 -3 -3 -4 3 2
%e 2 1 2 -1 -1 -5 -1 -1 -2 6 5 1
%e 4 0 3 0 -1 -2 -1 -5 4 2 0 -2 6 1 2 -2
%e 3 -1 4 4 1 0 1 -1 -3 -4 -1 4 2 -2 -5 1 2 1 0 -4
%e 0 -1 4 1 5 5 1 -4 1 0 1 -2 -1 2 1 0 -2 -5 -2 0 3 -1 -5 -3
%K nonn
%O 1,1
%A _R. H. Hardin_, Sep 13 2011