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 A249235 Number of length 2+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four 1

%I

%S 62,972,7736,36880,133270,400152,1044612,2427636,5229990,10451840,

%T 19688932,35362972,60808746,100653400,161543020,251735652,382345122,

%U 567979396,826454760,1180193960,1658004122,2293344492,3127714936

%N Number of length 2+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four

%C Row 2 of A249233

%H R. H. Hardin, <a href="/A249235/b249235.txt">Table of n, a(n) for n = 1..49</a>

%e Some solutions for n=5

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 23 2014

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Last modified May 23 01:52 EDT 2022. Contains 353959 sequences. (Running on oeis4.)