Indices of primes in A000219.

Terms

a(0) =2a(1) =4a(2) =11a(3) =30a(4) =32a(5) =40a(6) =50a(7) =85a(8) =100a(9) =237a(10) =381a(11) =733a(12) =805a(13) =882a(14) =1015a(15) =1650a(16) =2439a(17) =3163a(18) =3335a(19) =3506a(20) =3675a(21) =4152a(22) =4446a(23) =4576a(24) =5010a(25) =5101a(26) =6045a(27) =6760a(28) =7412a(29) =8178