Positive numbers whose square starts and ends with exactly one 9.

Terms

a(0) =3a(1) =97a(2) =303a(3) =307a(4) =313a(5) =953a(6) =957a(7) =963a(8) =967a(9) =973a(10) =977a(11) =983a(12) =987a(13) =993a(14) =3003a(15) =3007a(16) =3013a(17) =3017a(18) =3023a(19) =3027a(20) =3033a(21) =3037a(22) =3043a(23) =3047a(24) =3053a(25) =3057a(26) =3063a(27) =3067a(28) =3073a(29) =3077