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

Terms

a(0) =0a(1) =0a(2) =0a(3) =8a(4) =32a(5) =80a(6) =160a(7) =264a(8) =416a(9) =624a(10) =864a(11) =1176a(12) =1552a(13) =2000a(14) =2528a(15) =3144a(16) =3856a(17) =4640a(18) =5552a(19) =6584a(20) =7712a(21) =8960a(22) =10352a(23) =11880a(24) =13520a(25) =15328a(26) =17296a(27) =19416a(28) =21712a(29) =24176