Number of nondecreasing arrangements of n numbers x(i) in -(n+5)..(n+5) with the sum of sign(x(i))*x(i)^2 zero.

A188000

Number of nondecreasing arrangements of n numbers x(i) in -(n+5)..(n+5) with the sum of sign(x(i))*x(i)^2 zero.

Terms

    a(0) =1a(1) =8a(2) =11a(3) =75a(4) =216a(5) =1206a(6) =5443a(7) =30358a(8) =160866a(9) =907542a(10) =5096859a(11) =29196613a(12) =168131646a(13) =978358588a(14) =5726901772a(15) =33757032775a(16) =200087891459a(17) =119249818917

External references