Numbers n such that the middle coefficient of the cyclotomic polynomial Phi_n(x) has a value not obtained for any smaller n.
A095877
Numbers n such that the middle coefficient of the cyclotomic polynomial Phi_n(x) has a value not obtained for any smaller n.
Terms
- a(0) =3a(1) =4a(2) =6a(3) =385a(4) =1155a(5) =4785a(6) =6545a(7) =7735a(8) =10101a(9) =11305a(10) =14105a(11) =17255a(12) =18445a(13) =20615a(14) =22165a(15) =22715a(16) =26565a(17) =28985a(18) =33915a(19) =35581a(20) =36295a(21) =37961a(22) =40755a(23) =47355a(24) =49665a(25) =51765a(26) =51935a(27) =52003a(28) =53295a(29) =54285
External references
- oeis: A095877