Prime factors in a divisibility sequence of the Lucas sequence v(P=3,Q=5) of the second kind.

Terms

a(0) =3a(1) =17a(2) =103a(3) =163a(4) =373a(5) =487a(6) =1733a(7) =3469a(8) =4373a(9) =8803a(10) =10259a(11) =15607a(12) =16069a(13) =26237a(14) =26297a(15) =31193a(16) =31517a(17) =35153a(18) =37987a(19) =38047a(20) =38149a(21) =39367a(22) =52817a(23) =60427a(24) =60589a(25) =61553a(26) =74357a(27) =76837a(28) =78713a(29) =100733