Number of nondecreasing arrangements of n numbers in -8..8 with sum zero and sum of squares not greater than n*72/3.

A183926

Number of nondecreasing arrangements of n numbers in -8..8 with sum zero and sum of squares not greater than n*72/3.

Terms

    a(0) =1a(1) =5a(2) =25a(3) =112a(4) =414a(5) =1346a(6) =3998a(7) =10966a(8) =28096a(9) =67867a(10) =155632a(11) =341105a(12) =717922a(13) =1456768a(14) =2859956a(15) =5449503a(16) =10102778a(17) =18266557a(18) =32275332a(19) =55823589a(20) =94667487a(21) =157629696a(22) =258017192a(23) =415654482a(24) =659686930a(25) =1032410595a(26) =1594572418a(27) =2432482107

External references