Base-2 Fermat pseudoprimes k such that (k-1)/ord(2, k) > (m-1)/ord(2, m) for all base-2 Fermat pseudoprimes m < k, where ord(2, k) is the multiplicative order of 2 modulo k.
A367319
Base-2 Fermat pseudoprimes k such that (k-1)/ord(2, k) > (m-1)/ord(2, m) for all base-2 Fermat pseudoprimes m < k, where ord(2, k) is the multiplicative order of 2 modulo k.
Terms
- a(0) =341a(1) =1105a(2) =1387a(3) =2047a(4) =4369a(5) =4681a(6) =5461a(7) =13981a(8) =15709a(9) =35333a(10) =42799a(11) =60787a(12) =126217a(13) =158369a(14) =215265a(15) =256999a(16) =266305a(17) =486737a(18) =617093a(19) =1082401a(20) =1398101a(21) =2113665a(22) =2304167a(23) =4025905a(24) =4188889a(25) =4670029a(26) =6236473a(27) =6242685a(28) =8388607a(29) =13757653
External references
- oeis: A367319