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Number of length 6+1 0..n arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero
1

%I #4 Nov 26 2014 12:24:06

%S 72,1061,7696,34441,120114,332827,812004,1749359,3497934,6469165,

%T 11395070,19047473,30746306,47793245,72401338,106583429,153809996,

%U 217072541,301491734,411350415,553983224,735181841,965180792,1251735269

%N Number of length 6+1 0..n arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero

%C Row 6 of A250646

%H R. H. Hardin, <a href="/A250650/b250650.txt">Table of n, a(n) for n = 1..55</a>

%e Some solutions for n=5

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 26 2014