Solutions k to k^2 = a^2 + b^2 + c^2 (a,b,c > 0).

Terms

a(0) =3a(1) =6a(2) =7a(3) =9a(4) =11a(5) =12a(6) =13a(7) =14a(8) =15a(9) =17a(10) =18a(11) =19a(12) =21a(13) =22a(14) =23a(15) =24a(16) =25a(17) =26a(18) =27a(19) =28a(20) =29a(21) =30a(22) =31a(23) =33a(24) =34a(25) =35a(26) =36a(27) =37a(28) =38a(29) =39