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 A187992 Number of nondecreasing arrangements of 8 numbers x(i) in -(n+6)..(n+6) with the sum of sign(x(i))*2^|x(i)| zero 1

%I #6 May 11 2023 08:16:08

%S 1452,2199,3158,4357,5825,7592,9689,12148,15002,18285,22032,26279,

%T 31063,36422,42395,49022,56344,64403,73242,82905,93437,104884,117293,

%U 130712,145190,160777,177524,195483,214707,235250,257167,280514,305348,331727,359710,389357,420729,453888,488897,525820

%N Number of nondecreasing arrangements of 8 numbers x(i) in -(n+6)..(n+6) with the sum of sign(x(i))*2^|x(i)| zero

%C Row 8 of A187988

%e Some solutions for n=3

%e .-9...-8...-8...-6...-8...-8...-7...-7...-8...-9...-6...-6...-6...-8...-9...-6

%e .-2...-2...-8...-4...-7...-5...-4...-7...-7...-7...-5...-2...-6...-8...-9...-6

%e .-2...-1...-5...-4...-6...-4...-3...-3...-6...-7...-1....0...-6...-3...-4...-6

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

%e ..1....1...-3...-1...-5....1....5...-3...-3....7....0....1...-5...-1....8...-1

%e ..3....1....4....2....4....4....5....3...-3....7....5....4...-5....1....8....2

%e ..8....7....5....5....4....5....5....4....4....7....5....4....6....4....8....6

%e ..8....7....9....6....9....8....6....8....9....9....5....5....8....9....8....7

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 18 2011

%E More terms from _R. J. Mathar_, May 11 2023

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Last modified September 7 20:21 EDT 2024. Contains 375749 sequences. (Running on oeis4.)