%I
%S 2,5,8,21,34,53,118,267,516,901,1454,2249,3264,5135,7616,11061,15434,
%T 21089,28008,36687,49294,65037,84056,107327,134670,167275,204986,
%U 256111,315260,385087,464742,557425,661956,781471,930978,1102693,1294980
%N Number of 0..n arrays x(0..8) of 9 elements with zero 6th differences
%C Row 7 of A200272
%H R. H. Hardin, <a href="/A200276/b200276.txt">Table of n, a(n) for n = 1..52</a>
%e Some solutions for n=6
%e ..5....4....2....0....3....6....1....2....4....6....2....4....3....3....2....3
%e ..1....0....6....4....3....2....5....2....4....2....6....4....3....3....6....3
%e ..1....2....5....1....6....4....4....2....4....3....3....5....0....3....6....2
%e ..2....3....4....0....6....5....3....2....4....4....2....5....0....3....5....2
%e ..3....2....4....2....3....4....3....2....4....4....4....4....3....3....4....3
%e ..4....1....4....4....0....3....3....2....4....4....6....3....6....3....3....4
%e ..5....2....3....3....0....4....2....2....4....5....5....3....6....3....2....4
%e ..5....4....2....0....3....6....1....2....4....6....2....4....3....3....2....3
%e ..1....0....6....4....3....2....5....2....4....2....6....4....3....3....6....3
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 15 2011
