A223875 - OEIS

%I #4 Mar 28 2013 10:16:04

%S 1163,1352569,539511985,112751480926,18196418303111,2864914204785815,

%T 484392484470533427,87639412130515076262,16416724973038782090075,

%U 3109914769847317351993452,590107761875963492888166548

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

%C Column 7 of A223876

%H R. H. Hardin, <a href="/A223875/b223875.txt">Table of n, a(n) for n = 1..19</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 28 2013