Indices of the primes of |A007442|.

Terms

a(0) =1a(1) =5a(2) =7a(3) =8a(4) =11a(5) =13a(6) =40a(7) =106a(8) =132a(9) =154a(10) =478a(11) =647a(12) =1576a(13) =2067a(14) =2656a(15) =3837a(16) =5158a(17) =6985a(18) =7844a(19) =9777a(20) =11607a(21) =21027a(22) =22638a(23) =31979a(24) =33592a(25) =34279