Diagonal of triangle in A081930.

Terms

a(0) =0a(1) =22a(2) =121a(3) =1331a(4) =10401a(5) =105501a(6) =1006001a(7) =10077001a(8) =100080001a(9) =1000990001a(10) =10001010001a(11) =100011110001