Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^2<=x^2+y^2.

Terms

a(0) =1a(1) =5a(2) =16a(3) =36a(4) =69a(5) =119a(6) =190a(7) =282a(8) =399a(9) =547a(10) =726a(11) =940a(12) =1195a(13) =1493a(14) =1834a(15) =2224a(16) =2669a(17) =3165a(18) =3720a(19) =4338a(20) =5021a(21) =5771a(22) =6596a(23) =7494a(24) =8467a(25) =9521a(26) =10662a(27) =11890a(28) =13207a(29) =14621