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Number of 0..n arrays x(0..7) of 8 elements with zero 6th differences
1

%I #5 Mar 31 2012 12:36:38

%S 2,9,24,85,202,429,1046,2145,4022,6955,11438,17927,26868,41817,62238,

%T 89715,125864,172459,231700,305753,409430,537577,695264,886875,

%U 1116878,1391945,1717032,2134089,2625830,3201035,3869292,4642295,5530982,6546651

%N Number of 0..n arrays x(0..7) of 8 elements with zero 6th differences

%C Row 7 of A200082

%H R. H. Hardin, <a href="/A200086/b200086.txt">Table of n, a(n) for n = 1..133</a>

%e Some solutions for n=6

%e ..0....5....3....3....3....1....6....4....2....5....5....0....0....4....3....1

%e ..4....4....4....3....1....3....6....0....4....1....5....1....2....1....3....2

%e ..6....3....0....4....4....4....6....2....2....1....6....3....0....3....1....6

%e ..6....3....1....4....4....3....3....3....0....4....6....3....1....3....1....6

%e ..5....3....5....3....2....2....0....2....0....6....5....2....4....1....3....3

%e ..4....2....6....2....2....3....1....1....2....4....4....2....5....0....5....1

%e ..3....1....2....2....5....5....6....2....4....0....4....3....2....2....5....2

%e ..0....5....3....3....3....1....6....4....2....5....5....0....0....4....3....1

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 13 2011