Primes p such that for the cyclic group Zp of a prime order p there exist a perfect 4-shift code {+-1,+-a,+-a^2,+-b} in Zp.
A162542
Primes p such that for the cyclic group Zp of a prime order p there exist a perfect 4-shift code {+-1,+-a,+-a^2,+-b} in Zp.
Terms
- a(0) =97a(1) =1873a(2) =2161a(3) =3457a(4) =6577a(5) =6673a(6) =6961a(7) =7297a(8) =7873a(9) =10273a(10) =12721a(11) =13537a(12) =13681a(13) =13729a(14) =15601a(15) =15649a(16) =16033a(17) =16561a(18) =16657a(19) =21121a(20) =22129
External references
- oeis: A162542