Primitive part of Lucas(n).

Terms

a(0) =1a(1) =3a(2) =4a(3) =7a(4) =11a(5) =6a(6) =29a(7) =47a(8) =19a(9) =41a(10) =199a(11) =46a(12) =521a(13) =281a(14) =31a(15) =2207a(16) =3571a(17) =321a(18) =9349a(19) =2161a(20) =211a(21) =13201a(22) =64079a(23) =2206a(24) =15251a(25) =90481a(26) =5779a(27) =101521a(28) =1149851a(29) =2521