Indices of prime squares in A381019.

Terms

a(0) =7a(1) =13a(2) =30a(3) =55a(4) =178a(5) =468a(6) =541a(7) =854a(8) =1454a(9) =2099a(10) =3744a(11) =7330a(12) =9091a(13) =10138a(14) =11917a(15) =14154a(16) =14350a(17) =19363a(18) =21555a(19) =23553a(20) =26615a(21) =36109a(22) =36533a(23) =37302a(24) =51588a(25) =52576a(26) =57183a(27) =58064a(28) =58144a(29) =63067