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A250324 Number of length 5+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero 0

%I #3 Nov 18 2014 05:50:19

%S 42,487,2432,8767,24126,57305,119004,228401,404196,680467,1085778,

%T 1673983,2485432,3600959,5069184,7002383

%N Number of length 5+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero

%C Row 5 of A250320

%e Some solutions for n=6

%e ..6....3....5....2....2....4....2....0....3....5....0....1....0....3....2....1

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

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

%e ..6....0....5....0....2....3....0....2....1....5....6....6....6....4....4....2

%e ..1....5....5....5....5....6....0....5....4....1....3....4....3....4....0....0

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

%e ..1....0....1....6....0....2....6....5....3....6....5....3....4....1....0....3

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 18 2014

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