Indices of primes occurring in A107798.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =9a(6) =15a(7) =17a(8) =18a(9) =21a(10) =24a(11) =26a(12) =48a(13) =87a(14) =102a(15) =110a(16) =143a(17) =161a(18) =177a(19) =345a(20) =604a(21) =671a(22) =797a(23) =927a(24) =1008a(25) =1346a(26) =2491a(27) =5140a(28) =7942a(29) =19798