Primes in the union of all n-step Lucas sequences.

Terms

a(0) =2a(1) =3a(2) =7a(3) =11a(4) =29a(5) =31a(6) =47a(7) =71a(8) =113a(9) =127a(10) =131a(11) =191a(12) =199a(13) =223a(14) =239a(15) =241a(16) =367a(17) =439a(18) =443a(19) =521a(20) =863a(21) =983a(22) =1013a(23) =1499a(24) =1871a(25) =2003a(26) =2207a(27) =3571a(28) =6553a(29) =8087