Duplicate of A075580.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =13a(5) =19a(6) =31a(7) =53a(8) =73a(9) =89a(10) =359a(11) =139a(12) =401a(13) =181a(14) =113a(15) =211a(16) =293a(17) =661a(18) =863a(19) =773a(20) =523a(21) =1933a(22) =1831a(23) =1069a(24) =1381a(25) =887a(26) =1637a(27) =1129a(28) =1669a(29) =1951