Numbers n for which there are exactly ten k such that n = k + reverse(k).

Terms

a(0) =1111a(1) =1991a(2) =2442a(3) =3542a(4) =5115a(5) =6875a(6) =11011a(7) =14124a(8) =15884a(9) =17457a(10) =18557a(11) =19008a(12) =19091a(13) =19291a(14) =19491a(15) =19691a(16) =19891a(17) =20091a(18) =20291a(19) =20491a(20) =20691a(21) =20891a(22) =24042a(23) =24242a(24) =24442a(25) =24642a(26) =24842a(27) =25042a(28) =25242a(29) =25442