Squarefree Lucas numbers.

Terms

a(0) =2a(1) =1a(2) =3a(3) =7a(4) =11a(5) =29a(6) =47a(7) =123a(8) =199a(9) =322a(10) =521a(11) =843a(12) =2207a(13) =3571a(14) =9349a(15) =15127a(16) =39603a(17) =64079a(18) =103682a(19) =167761a(20) =271443a(21) =1149851a(22) =3010349a(23) =4870847a(24) =12752043a(25) =20633239a(26) =33385282a(27) =54018521a(28) =87403803a(29) =228826127