a(n) is the number of elements z of Z_p[i] such that #{z^k, k >= 0} = p^2-1 (where p denotes A002145(n), the n-th prime number congruent to 3 modulo 4).
A374001
a(n) is the number of elements z of Z_p[i] such that #{z^k, k >= 0} = p^2-1 (where p denotes A002145(n), the n-th prime number congruent to 3 modulo 4).
Terms
- a(0) =4a(1) =16a(2) =32a(3) =96a(4) =160a(5) =256a(6) =480a(7) =704a(8) =896a(9) =1280a(10) =1152a(11) =1536a(12) =1920a(13) =3072a(14) =3744a(15) =4608a(16) =3840a(17) =4224a(18) =5760a(19) =8640a(20) =7872a(21) =8448a(22) =9216a(23) =9600a(24) =9984a(25) =13824a(26) =16128a(27) =12288a(28) =14400a(29) =20800
External references
- oeis: A374001