|
%I #5 Mar 31 2012 12:36:43
%S 11,56,235,860,2910,9287,28452,84473,244933,697065,1954865,5417604,
%T 14870436,40495840,109564073,294830410,789790546,2107673769,
%U 5606720691,14874608710,39372687032,104018286133,274358183769,722650263970
%N Number of nX3 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally
%C Column 3 of A201155
%H R. H. Hardin, <a href="/A201150/b201150.txt">Table of n, a(n) for n = 1..111</a>
%e Some solutions for n=8
%e ..0..1..1....0..0..2....0..0..0....0..0..0....0..0..1....0..0..0....0..0..2
%e ..0..1..1....0..2..2....0..0..1....0..0..0....0..0..1....0..1..2....0..2..2
%e ..0..1..1....1..1..2....0..0..1....0..0..0....0..0..1....1..2..2....0..1..2
%e ..0..1..2....1..1..2....0..0..1....0..0..0....0..0..1....2..2..2....0..1..2
%e ..0..1..2....1..2..2....1..1..2....0..1..1....0..2..1....1..2..2....0..1..2
%e ..0..1..2....2..2..2....1..2..2....0..1..2....1..2..2....1..2..2....0..1..2
%e ..2..2..2....1..2..2....2..2..2....0..2..2....1..1..2....1..2..2....1..1..2
%e ..1..2..2....2..2..2....1..2..2....1..1..2....1..2..2....2..2..2....1..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 27 2011
| 