Primes p such that the multiplicative order of 2 modulo p is (p-1)/10.

Terms

a(0) =151a(1) =241a(2) =431a(3) =641a(4) =911a(5) =3881a(6) =4751a(7) =4871a(8) =5441a(9) =5471a(10) =5641a(11) =5711a(12) =6791a(13) =6871a(14) =8831a(15) =9041a(16) =9431a(17) =10711a(18) =12721a(19) =13751a(20) =14071a(21) =14431a(22) =14591a(23) =15551a(24) =16631a(25) =16871a(26) =17231a(27) =17681a(28) =17791a(29) =18401