A223960 - OEIS

%I #4 Mar 29 2013 21:44:15

%S 120,7470,217144,4500818,85350934,1629022329,31770135236,629825651180,

%T 12620835427126,254719515611821,5165793380135728,105110696722615853,

%U 2143594088287821599,43784293043682987873,895295525455930993505

%N Number of nX7 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing

%C Column 7 of A223961

%H R. H. Hardin, <a href="/A223960/b223960.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 29 2013