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

%I #4 Oct 18 2014 19:44:47

%S 2540,10360,42308,172888,706704,2888944,11810564,48286456,197422012,

%T 807188768,3300330556,13494048552,55173290154,225588339824,

%U 922369809354,3771323457556,15419939994758,63048058448056,257786893864722

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

%C Column 4 of A249001

%H R. H. Hardin, <a href="/A248997/b248997.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..0....1....2....0....0....1....1....0....2....0....1....2....2....0....2....2

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 18 2014