Numbers k such that gcd(k^2, reverse(k^2)) = k.

Terms

a(0) =1a(1) =9a(2) =297a(3) =513a(4) =783a(5) =999a(6) =1323a(7) =1331a(8) =4961a(9) =10989a(10) =11979a(11) =12969a(12) =14733a(13) =20402a(14) =29088a(15) =89109a(16) =99999a(17) =109989a(18) =122221a(19) =188887a(20) =210789a(21) =218097a(22) =377199a(23) =477773a(24) =483516a(25) =525503a(26) =718189a(27) =1099989a(28) =2128806a(29) =2920819