Perimeters of more than one primitive 120-degree integer triangle.

Terms

a(0) =2730a(1) =4080a(2) =7590a(3) =9044a(4) =11704a(5) =12180a(6) =13020a(7) =13485a(8) =13920a(9) =14880a(10) =15810a(11) =16100a(12) =18870a(13) =21090a(14) =22755a(15) =23370a(16) =24752a(17) =25172a(18) =26445a(19) =27060a(20) =28380a(21) =29670a(22) =30315a(23) =31020a(24) =32430a(25) =32890a(26) =33810a(27) =34545a(28) =34580a(29) =36660