Numbers n > 1 such that 2^lambda(n) == 1 (mod n^2), where lambda(n) is the Carmichael lambda function (A002322).

A291961

Numbers n > 1 such that 2^lambda(n) == 1 (mod n^2), where lambda(n) is the Carmichael lambda function (A002322).

Terms

    a(0) =1093a(1) =3279a(2) =3511a(3) =7651a(4) =10533a(5) =14209a(6) =17555a(7) =22953a(8) =31599a(9) =42627a(10) =45643a(11) =52665a(12) =99463a(13) =136929a(14) =157995a(15) =228215a(16) =298389a(17) =410787a(18) =684645a(19) =2053935a(20) =3837523a(21) =11512569a(22) =19187615a(23) =26862661a(24) =34537707a(25) =49887799a(26) =57562845a(27) =80587983a(28) =134313305a(29) =149663397

External references