Products of primitive roots when n is 2, 4, p^k, or 2p^k (with p an odd prime), for all other n the value is defined to be 1.
A382221
Products of primitive roots when n is 2, 4, p^k, or 2p^k (with p an odd prime), for all other n the value is defined to be 1.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =5a(6) =15a(7) =1a(8) =10a(9) =21a(10) =672a(11) =1a(12) =924a(13) =15a(14) =1a(15) =1a(16) =11642400a(17) =55a(18) =163800a(19) =1a(20) =1a(21) =29393a(22) =109681110000a(23) =1a(24) =64411776a(25) =21945a(26) =708400a(27) =1a(29) =1a(30) =970377408
External references
- oeis: A382221