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%I #8 Dec 26 2023 23:50:45
%S 1,6,9,46,117,636,2596,13343,66452,354806,1898800,10452050,58080269,
%T 327389928,1863061322,10707246833,62028855007,362078074528,
%U 2127680924575,12580327500008,74800656700824,447053889525102,2684568476124840,16191874238303244
%N Number of nondecreasing arrangements of n numbers x(i) in -(n+3)..(n+3) with the sum of sign(x(i))*x(i)^2 zero.
%C Column 5 of A188002.
%e All solutions for n=3
%e ..0...-1...-2...-4...-4...-5...-3...-5...-6
%e ..0....0....0....0...-3....0....0....3....0
%e ..0....1....2....4....5....5....3....4....6
%Y Cf. A188002.
%K nonn
%O 1,2
%A _R. H. Hardin_, Mar 18 2011
%E Terms from a(17) on by _R. J. Mathar_, May 10 2023