Squares of A057148 taken as decimal numbers.

Terms

a(0) =0a(1) =1a(2) =121a(3) =10201a(4) =12321a(5) =1002001a(6) =1234321a(7) =100020001a(8) =102030201a(9) =121242121a(10) =123454321a(11) =10000200001a(12) =10221412201a(13) =12102420121a(14) =12345654321