Primes whose base-4 representation is a square when read in base 10.

Terms

a(0) =673a(1) =1165921a(2) =6228961a(3) =53378329a(4) =128818873a(5) =805379161a(6) =926711449a(7) =1542173569a(8) =2459671993a(9) =8365652929a(10) =14232980953a(11) =26484614209a(12) =30755887321a(13) =31937961241a(14) =37968797689a(15) =78180076129a(16) =80974979329a(17) =97835803129a(18) =168394504129a(19) =314911422913a(20) =410879716321a(21) =529074406681