Highest integer k such that the multiplicative group modulo k is a subgroup of the symmetric group S_n.

A380222

Highest integer k such that the multiplicative group modulo k is a subgroup of the symmetric group S_n.

Terms

    a(0) =2a(1) =6a(2) =6a(3) =12a(4) =18a(5) =30a(6) =42a(7) =60a(8) =90a(9) =126a(10) =210a(11) =252a(12) =420a(13) =630a(14) =840a(15) =1260a(16) =1680a(17) =2730a(18) =3276a(19) =5460a(20) =8190a(21) =10920a(22) =16380a(23) =21840a(24) =32760a(25) =40950a(26) =65520a(27) =90090a(28) =120120a(29) =180180

External references