Both primitively and imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0).

Terms

a(0) =4a(1) =8a(2) =32a(3) =44a(4) =56a(5) =64a(6) =88a(7) =92a(8) =112a(9) =128a(10) =148a(11) =172a(12) =176a(13) =184a(14) =212a(15) =232a(16) =242a(17) =256a(18) =284a(19) =296a(20) =308a(21) =316a(22) =344a(23) =352a(24) =368a(25) =424a(26) =428a(27) =436a(28) =448a(29) =464