a(n) = prime(A391796(n)).

Terms

a(0) =5a(1) =23a(2) =47a(3) =251a(4) =1889a(5) =7793a(6) =43451a(7) =243161a(8) =726893a(9) =759821a(10) =1820123a(11) =1820111a(12) =10141499a(13) =19725479a(14) =19725473a(15) =136209239a(16) =400414127a(17) =400414121a(18) =489144659a(19) =489144599a(20) =766319201a(21) =766319189a(22) =21549657581a(23) =21549657551a(24) =21549657539a(25) =140432294399a(26) =140432294381a(27) =437339303279