Indices of prime Pell numbers.

Terms

a(0) =2a(1) =3a(2) =5a(3) =11a(4) =13a(5) =29a(6) =41a(7) =53a(8) =59a(9) =89a(10) =97a(11) =101a(12) =167a(13) =181a(14) =191a(15) =523a(16) =929a(17) =1217a(18) =1301a(19) =1361a(20) =2087a(21) =2273a(22) =2393a(23) =8093a(24) =13339a(25) =14033a(26) =23747a(27) =28183a(28) =34429a(29) =36749