a(n) is the smallest k such that (Z/kZ)* contains C_(2n) X C_(2n) as a subgroup, where (Z/kZ)* is the multiplicative group of integers modulo n.
A307436
a(n) is the smallest k such that (Z/kZ)* contains C_(2n) X C_(2n) as a subgroup, where (Z/kZ)* is the multiplicative group of integers modulo n.
Terms
- a(0) =8a(1) =65a(2) =63a(3) =544a(4) =275a(5) =455a(6) =1247a(7) =1088a(8) =513a(9) =1025a(10) =1541a(11) =7081a(12) =4187a(13) =3277a(14) =1891a(15) =12416a(16) =14111a(17) =2701a(18) =43739a(19) =7667a(20) =2107a(21) =10235a(22) =6533a(23) =11543a(24) =12625a(25) =8321a(26) =8829a(27) =31753a(28) =13747a(29) =8723
External references
- oeis: A307436