Index of n-th prime in A386482, or -1 if that prime is missing.

Terms

a(0) =2a(1) =5a(2) =17a(3) =11a(4) =24a(5) =44a(6) =52a(7) =31a(8) =73a(9) =126a(10) =57a(11) =115a(12) =809a(13) =821a(14) =76a(15) =652a(16) =144a(17) =189a(18) =667a(19) =674a(20) =678a(21) =207a(22) =287a(23) =1016a(24) =832a(25) =2020a(26) =320a(27) =310a(28) =2026a(29) =2637