A224279 - OEIS

%I #4 Apr 02 2013 14:42:27

%S 610,59792,2059793,44901359,817075668,14587480744,274116529912,

%T 5481124776302,115036474923900,2489043013161042,54774515108860284,

%U 1216015762754882736,27117272628943751854,606168132402047719588

%N Number of nX6 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing

%C Column 6 of A224281

%H R. H. Hardin, <a href="/A224279/b224279.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..0..0..0..1..1..1....0..0..0..0..3..0....0..0..0..0..1..0....0..0..0..0..1..0

%e ..0..0..1..2..1..0....0..0..0..3..3..0....0..0..0..2..2..0....0..0..0..2..0..0

%e ..0..3..3..3..2..1....0..3..3..3..2..2....0..2..3..2..1..1....0..0..3..3..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 02 2013