Numbers n such that Phi(n,x) is a flat cyclotomic polynomial of order four.

Terms

a(0) =431985a(1) =757335a(2) =865365a(3) =1134915a(4) =1296885a(5) =1297815a(6) =1675365a(7) =1729335a(8) =1891815a(9) =2161785a(10) =2162715a(11) =2595165a(12) =2648715a(13) =2649585a(14) =3027165a(15) =3028035a(16) =3132015a(17) =3133785a(18) =3347985a(19) =3405615a(20) =3565785a(21) =3784065a(22) =3891585a(23) =4698465a(24) =4920285a(25) =5188935a(26) =5189865a(27) =5676315