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

Terms

a(0) =2552a(1) =3333a(2) =3432a(3) =4224a(4) =4653a(5) =5764a(6) =6116a(7) =7876a(8) =13123a(9) =14883a(10) =15235a(11) =16346a(12) =16775a(13) =17567a(14) =17666a(15) =18447a(16) =25052a(17) =25252a(18) =25452a(19) =25652a(20) =25852a(21) =26052a(22) =26252a(23) =26452a(24) =26652a(25) =26852a(26) =33033a(27) =33132a(28) =33233a(29) =33332