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

Terms

a(0) =0a(1) =3a(2) =11a(3) =28a(4) =56a(5) =97a(6) =153a(7) =230a(8) =330a(9) =453a(10) =605a(11) =788a(12) =1002a(13) =1251a(14) =1541a(15) =1872a(16) =2244a(17) =2667a(18) =3139a(19) =3662a(20) =4240a(21) =4877a(22) =5571a(23) =6330a(24) =7158a(25) =8055a(26) =9021a(27) =10062a(28) =11182a(29) =12379