A187993

Number of nondecreasing arrangements of n numbers x(i) in -(2n-2)..(2n-2) with the sum of sign(x(i))*x(i)^2 zero.

1, 3, 5, 34, 117, 862, 5443, 43750, 354103, 3099873, 27848450, 258912232, 2459308291, 23849609290, 235048481924, 2350490503424, 23798290970741, 243632773686215, 2518607289874541, 26265548152662462, 276073967613403738, 2922502585387560322, 31138106756017576520

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