Numbers k such that 2^(k-1) == 1 (mod k) and lpf(k)-1 does not divide k-1.

Terms

a(0) =7957a(1) =23377a(2) =30889a(3) =35333a(4) =42799a(5) =49981a(6) =60787a(7) =91001a(8) =129889a(9) =150851a(10) =162193a(11) =164737a(12) =241001a(13) =249841a(14) =253241a(15) =256999a(16) =280601a(17) =318361a(18) =387731a(19) =452051a(20) =481573a(21) =556169a(22) =580337a(23) =617093a(24) =665333a(25) =722201a(26) =838861a(27) =877099a(28) =1016801a(29) =1251949