a(n) = n times R(n) where R(n) (A004086) is the digit reversal of n.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =25a(6) =36a(7) =49a(8) =64a(9) =81a(10) =10a(11) =121a(12) =252a(13) =403a(14) =574a(15) =765a(16) =976a(17) =1207a(18) =1458a(19) =1729a(20) =40a(21) =252a(22) =484a(23) =736a(24) =1008a(25) =1300a(26) =1612a(27) =1944a(28) =2296a(29) =2668