Numbers which are perfect squares and either form equal or larger perfect squares when reversed.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =121a(5) =144a(6) =169a(7) =484a(8) =676a(9) =1089a(10) =10201a(11) =10404a(12) =10609a(13) =12321a(14) =12544a(15) =12769a(16) =14641a(17) =14884a(18) =40804a(19) =44944a(20) =69696a(21) =94249a(22) =698896a(23) =1002001a(24) =1004004a(25) =1006009a(26) =1022121a(27) =1024144a(28) =1026169a(29) =1042441