Carmichael numbers k such that 2^d == 2^(k/d) (mod k) for all d|k.

Terms

a(0) =1105a(1) =294409a(2) =852841a(3) =3828001a(4) =17098369a(5) =118901521a(6) =150846961a(7) =172947529a(8) =186393481a(9) =200753281a(10) =686059921a(11) =771043201a(12) =1001152801a(13) =1207252621a(14) =1269295201a(15) =1299963601a(16) =1632785701a(17) =1772267281a(18) =2301745249a(19) =4215885697a(20) =4562359201a(21) =4765950001a(22) =4897161361