%I
%S 1,61,18903,31640829,289301569283,14572563308953245,
%T 4059527861103273129317,6270118871204192400242141667,
%U 53785756580019628016324622812810239
%N Number of lower triangles of an n X n integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by 4 or less and triangles differing by a constant counted only once
%C Column 4 of A195220
%e Some solutions for n=5
%e ...0...............0...............0...............0...............0
%e ..4.3...........4.4............4..4............3..1............2..1
%e ..6.2.5........7.3..0.........2..1..3.........3.1.1........1..1..1
%e ..5.5.2.4.....4.4.1.2......3..5..5..4......1..3..0.4.....3.3.1.1
%e ..6.4.4.5.7..5.5.2.4.3...2..2..1..5..8...2..3..0.2.2..3.1.1..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Sep 13 2011
