Prime(n) divides F(n)-1 where F(n) are the Fibonacci numbers.

Terms

a(0) =1a(1) =2a(2) =46a(3) =51a(4) =758a(5) =6463a(6) =8315a(7) =89929a(8) =107852a(9) =109160a(10) =241222a(11) =428695a(12) =601346a(13) =899964a(14) =4713801a(15) =7142201a(16) =23488165a(17) =27067121a(18) =77131559a(19) =115597554a(20) =382547738a(21) =408060073a(22) =517677496a(23) =998338202