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Number of length n+4 0..7 arrays with every five consecutive terms having four times some element equal to the sum of the remaining four
1

%I #4 Nov 03 2014 09:54:49

%S 3708,4944,6678,9026,12108,16048,23048,33102,47170,66232,91288,137656,

%T 205348,301356,432832,607088,940560,1433518,2138642,3109400,4400108,

%U 6919536,10669870,16059534,23500428,33408288,52962568,82175864,124260856

%N Number of length n+4 0..7 arrays with every five consecutive terms having four times some element equal to the sum of the remaining four

%C Column 7 of A249656

%H R. H. Hardin, <a href="/A249655/b249655.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=6

%e ..0....3....1....0....2....2....3....0....4....7....3....5....4....5....3....2

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

%e ..2....2....3....5....3....0....5....1....0....1....2....0....4....1....7....5

%e ..7....1....1....7....4....3....1....0....5....5....5....5....4....2....5....7

%e ..0....0....7....7....4....1....0....2....7....3....2....2....3....4....4....2

%e ..0....3....1....5....2....2....3....0....4....7....3....0....4....5....3....2

%e ..1....4....3....6....7....4....6....7....4....4....3....3....0....3....1....4

%e ..2....7....3....5....3....0....5....1....5....1....2....0....4....1....7....5

%e ..7....1....1....2....4....3....1....0....5....5....5....5....4....7....0....7

%e ..0....0....2....7....4....1....0....2....2....3....2....7....3....4....4....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 03 2014