Numbers n such that concatenation of n and its 10's complement is a palindrome.

Terms

a(0) =5a(1) =91a(2) =9091a(3) =9181a(4) =9271a(5) =9361a(6) =9451a(7) =9541a(8) =9631a(9) =9721a(10) =9811a(11) =900991a(12) =901891a(13) =902791a(14) =903691a(15) =904591a(16) =905491a(17) =906391a(18) =907291a(19) =908191a(20) =909091a(21) =910981a(22) =911881a(23) =912781a(24) =913681a(25) =914581a(26) =915481a(27) =916381a(28) =917281a(29) =918181