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%I #4 Oct 24 2014 08:30:36
%S 3584,25280,178644,1263044,8930228,63142432,446465388,3156873140,
%T 22321652802,157832259724,1116002868810,7891051581722,55796177670214,
%U 394524535750878,2789610622867354,19724825025520940,139470619655277052
%N Number of length n+3 0..7 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth
%C Column 7 of A249290
%H R. H. Hardin, <a href="/A249289/b249289.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..2....6....5....2....4....0....4....0....0....4....6....0....0....2....2....2
%e ..6....7....6....1....5....5....0....5....2....6....3....3....5....2....6....3
%e ..6....5....2....4....4....2....6....1....4....3....1....0....6....7....3....0
%e ..6....7....6....0....2....0....7....4....5....1....4....7....5....7....0....6
%e ..5....6....5....7....3....4....7....3....6....7....3....3....6....5....7....5
%e ..5....7....2....3....5....3....0....1....3....7....0....1....0....5....4....0
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 24 2014
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