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

Terms

a(0) =0a(1) =0a(2) =8a(3) =40a(4) =104a(5) =208a(6) =384a(7) =624a(8) =952a(9) =1384a(10) =1920a(11) =2584a(12) =3368a(13) =4304a(14) =5416a(15) =6696a(16) =8160a(17) =9808a(18) =11680a(19) =13784a(20) =16120a(21) =18696a(22) =21552a(23) =24672a(24) =28064a(25) =31752a(26) =35768a(27) =40128a(28) =44808a(29) =49816