Numbers that are the sum of 3 but no fewer nonzero squares.

Terms

a(0) =3a(1) =6a(2) =11a(3) =12a(4) =14a(5) =19a(6) =21a(7) =22a(8) =24a(9) =27a(10) =30a(11) =33a(12) =35a(13) =38a(14) =42a(15) =43a(16) =44a(17) =46a(18) =48a(19) =51a(20) =54a(21) =56a(22) =57a(23) =59a(24) =62a(25) =66a(26) =67a(27) =69a(28) =70a(29) =75