Numbers n such that both n and prime(n) consist of square digits (0,1,4,9).

Terms

a(0) =94a(1) =1140a(2) =9109a(3) =10404a(4) =10449a(5) =41104a(6) =110000a(7) =110010a(8) =114101a(9) =910140a(10) =910190a(11) =910191a(12) =940111a(13) =940141a(14) =940409a(15) =11049914a(16) =94011001a(17) =94011004a(18) =94019941a(19) =94019990a(20) =94109190a(21) =94109191a(22) =94440910a(23) =190004449a(24) =190011049a(25) =190011090a(26) =190011091a(27) =190011909a(28) =190011999a(29) =190149101