%I #12 Aug 21 2023 08:23:38
%S 1,3,5,34,117,862,5443,43750,354103,3099873,27848450,258912232,
%T 2459308291,23849609290,235048481924
%N Number of nondecreasing arrangements of n numbers x(i) in (2n2)..(2n2) with the sum of sign(x(i))*x(i)^2 zero.
%e All solutions for n=3
%e .1...2....0...3...4
%e ..0....0....0....0....0
%e ..1....2....0....3....4
%Y Diagonal of A188002.
%K nonn,more
%O 1,2
%A _R. H. Hardin_, Mar 18 2011
%E Terms from a(14) on by _R. J. Mathar_, May 10 2023
