cp's OEIS Frontend

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.

%I A187992 #9 Jun 15 2025 17:12:50
%S A187992 1452,2199,3158,4357,5825,7592,9689,12148,15002,18285,22032,26279,
%T A187992 31063,36422,42395,49022,56344,64403,73242,82905,93437,104884,117293,
%U A187992 130712,145190,160777,177524,195483,214707,235250,257167,280514,305348,331727,359710,389357,420729,453888,488897,525820
%N 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.
%e A187992 Some solutions for n=3
%e A187992 .-9...-8...-8...-6...-8...-8...-7...-7...-8...-9...-6...-6...-6...-8...-9...-6
%e A187992 .-2...-2...-8...-4...-7...-5...-4...-7...-7...-7...-5...-2...-6...-8...-9...-6
%e A187992 .-2...-1...-5...-4...-6...-4...-3...-3...-6...-7...-1....0...-6...-3...-4...-6
%e A187992 .-1....1...-3...-1...-6...-1...-3...-3...-6...-7....0....0...-6...-3....4...-1
%e A187992 ..1....1...-3...-1...-5....1....5...-3...-3....7....0....1...-5...-1....8...-1
%e A187992 ..3....1....4....2....4....4....5....3...-3....7....5....4...-5....1....8....2
%e A187992 ..8....7....5....5....4....5....5....4....4....7....5....4....6....4....8....6
%e A187992 ..8....7....9....6....9....8....6....8....9....9....5....5....8....9....8....7
%Y A187992 Row 8 of A187988.
%K A187992 nonn
%O A187992 1,1
%A A187992 _R. H. Hardin_, Mar 18 2011
%E A187992 More terms from _R. J. Mathar_, May 11 2023