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Number of length n+6 0..4 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five
1

%I #4 Oct 23 2014 08:40:21

%S 67452,294568,1287632,5630090,24619804,107662502,470797744,2058664560,

%T 9001977388,39365277268,172144857638,752792969116,3291974345050,

%U 14395810506738,62952737744654,275291694008054,1203850204876356

%N Number of length n+6 0..4 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five

%C Column 4 of A249212

%H R. H. Hardin, <a href="/A249208/b249208.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 23 2014