Primitive elements of A096490.

Terms

a(0) =60a(1) =168a(2) =252a(3) =792a(4) =924a(5) =936a(6) =2448a(7) =2736a(8) =6624a(9) =6864a(10) =6930a(11) =9936a(12) =12528a(13) =18564a(14) =20748a(15) =23256a(16) =24570a(17) =26784a(18) =28152a(19) =31968a(20) =35424a(21) =37152a(22) =40176a(23) =40608a(24) =40950a(25) =58344a(26) =65208a(27) =87516a(28) =91584a(29) =94392