Composite numbers k such that k divides Fibonacci(k+1) or Fibonacci(k-1) and 2^(k-1) == 1 (mod k).

Terms

a(0) =6601a(1) =13981a(2) =30889a(3) =68101a(4) =219781a(5) =252601a(6) =332949a(7) =399001a(8) =512461a(9) =642001a(10) =721801a(11) =722261a(12) =741751a(13) =852841a(14) =873181a(15) =1024651a(16) =1141141a(17) =1193221a(18) =1207361a(19) =1533601a(20) =1690501a(21) =1735841a(22) =1857241a(23) =1909001a(24) =2085301a(25) =2100901a(26) =2165801a(27) =2603381a(28) =2704801a(29) =2757241