Indices of primes in A214828.

Terms

a(0) =3a(1) =7a(2) =8a(3) =16a(4) =19a(5) =36a(6) =44a(7) =151a(8) =292a(9) =448a(10) =467a(11) =896a(12) =1148a(13) =1607a(14) =1711a(15) =1956a(16) =2020a(17) =6635a(18) =14228a(19) =25519a(20) =43140a(21) =74984a(22) =77696a(23) =137975