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A200164 Number of -7..7 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero 0

%I

%S 14,168,2180,27160,336992,4141212,50917674,624074768

%N Number of -7..7 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero

%C Column 7 of A200165

%e Some solutions for n=5

%e .-3....4....1...-7...-3...-3...-3....1....1....1...-7....5...-7...-7...-4...-7

%e ..2...-6...-7....6...-6...-4...-7...-1...-4....7....3....4....7...-5....4...-3

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

%e ..6...-7....1...-1...-3...-4....3....6....2...-1....2....4...-4...-7...-1....6

%e ..2...-1...-1...-7....4....7....4...-1...-6...-3...-7...-6....6...-6...-3...-7

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 13 2011

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Last modified October 19 21:28 EDT 2019. Contains 328244 sequences. (Running on oeis4.)