Numbers n such that the Eisenstein integer ((1-ω)^n+1)/(2-ω) has prime norm, where ω = - 1/2 + sqrt(-3)/2.
A239842
Numbers n such that the Eisenstein integer ((1-ω)^n+1)/(2-ω) has prime norm, where ω = - 1/2 + sqrt(-3)/2.
Terms
- a(0) =5a(1) =11a(2) =31a(3) =37a(4) =47a(5) =53a(6) =97a(7) =163a(8) =167a(9) =509a(10) =877a(11) =1061a(12) =2027a(13) =2293a(14) =3011a(15) =6803a(16) =8423a(17) =13627a(18) =20047a(19) =28411a(20) =50221a(21) =50993a(22) =71453a(23) =152809a(24) =272141a(25) =505823a(26) =1353449
External references
- oeis: A239842