Numbers of the form x*y^2 + y*z^2 + z*x^2, x,y,z >= 1.

Terms

a(0) =3a(1) =7a(2) =13a(3) =14a(4) =21a(5) =23a(6) =24a(7) =25a(8) =31a(9) =34a(10) =38a(11) =39a(12) =40a(13) =43a(14) =47a(15) =55a(16) =56a(17) =57a(18) =59a(19) =61a(20) =62a(21) =73a(22) =78a(23) =79a(24) =80a(25) =81a(26) =82a(27) =84a(28) =89a(29) =91