Numbers n such that 6^phi(n) == 1 (modulo n^2), where phi(n) is Euler's totient function.

A241978

Numbers n such that 6^phi(n) == 1 (modulo n^2), where phi(n) is Euler's totient function.

Terms

    a(0) =66161a(1) =330805a(2) =534851a(3) =2674255a(4) =3152573a(5) =10162169a(6) =13371275a(7) =50810845a(8) =54715147a(9) =129255493a(10) =148170931a(11) =254054225a(12) =273575735a(13) =301121113a(14) =383006029a(15) =646277465a(16) =1289402357a(17) =1505605565a(18) =1915030145a(19) =3228193673a(20) =3407931413a(21) =5721301147a(22) =6075008171a(23) =7528027825

External references