%I
%S 7,28,112,448,1792,7140,28434,113193,450812,1795581,7151892,28486092,
%T 113459436,451907189,1799936702,7169108310,28554377148,113731374269,
%U 452989138551,1804244048124,7186257254293,28622677050945,114003380196965
%N Number of 0..6 arrays x(0..n1) of n elements with each no smaller than the sum of its four previous neighbors modulo 7
%C Column 6 of A200469
%H R. H. Hardin, <a href="/A200467/b200467.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=6
%e ..2....1....1....5....3....4....0....0....4....5....0....3....3....1....4....4
%e ..6....2....6....5....4....6....1....3....4....6....4....4....5....1....5....4
%e ..1....4....3....5....5....4....1....5....2....5....6....0....6....2....5....6
%e ..3....2....5....1....6....6....2....1....5....5....5....1....2....5....2....1
%e ..5....6....1....3....6....6....5....3....3....4....1....4....2....2....4....1
%e ..4....0....3....1....6....3....3....5....0....6....4....2....5....4....2....6
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 18 2011
