Number of nondecreasing arrangements of n numbers in -6..6 with sum zero and sum of squares less than n*42/3.

A183932

Number of nondecreasing arrangements of n numbers in -6..6 with sum zero and sum of squares less than n*42/3.

Terms

    a(0) =1a(1) =4a(2) =15a(3) =56a(4) =157a(5) =421a(6) =1030a(7) =2349a(8) =5033a(9) =10278a(10) =20065a(11) =37609a(12) =68129a(13) =119718a(14) =204358a(15) =340240a(16) =553695a(17) =882178a(18) =1378928a(19) =2117950a(20) =3199767a(21) =4762105a(22) =6989141a(23) =10123604a(24) =14486392a(25) =20495431a(26) =28686822a(27) =39751213a(28) =54565631a(29) =74232787

External references