Indices of squares of primes in A098550.

Terms

a(0) =4a(1) =5a(2) =11a(3) =40a(4) =124a(5) =187a(6) =273a(7) =313a(8) =505a(9) =747a(10) =751a(11) =1280a(12) =1478a(13) =1563a(14) =1841a(15) =2386a(16) =3130a(17) =3134a(18) =4196a(19) =4493a(20) =4497a(21) =5455a(22) =6002a(23) =6877a(24) =8158a(25) =9047a(26) =9276a(27) =10190a(28) =10194a(29) =11157