a(n) = n^2 + (n^2 with digits reversed).

Terms

a(0) =0a(1) =2a(2) =8a(3) =18a(4) =77a(5) =77a(6) =99a(7) =143a(8) =110a(9) =99a(10) =101a(11) =242a(12) =585a(13) =1130a(14) =887a(15) =747a(16) =908a(17) =1271a(18) =747a(19) =524a(20) =404a(21) =585a(22) =968a(23) =1454a(24) =1251a(25) =1151a(26) =1352a(27) =1656a(28) =1271a(29) =989