Triangle Quest 2

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    simpler using maths

    N=int(input()); [print((10**i //9)**2) for i in range(1,N+1)]

    or by strings

    N,a,k=int(input()),'',[] ;[k.append(a:=a+f'{i}') or print(a+k[i-2][::-1] if i>1 else i) for i in range(1,N+1)]