This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A344744 #42 Jun 20 2021 21:22:01
%S A344744 0,1,1728,228886641,2861381721051424,3539537889086624823140625,
%T A344744 437104634676747795452235896466702336,
%U A344744 5396563761318393964062660689603780554533710504641,6662458388479360230805308787387369820914640828074410829911019008
%N A344744 a(n) is the n-th power of the concatenation of the integers from 0 through n-1.
%F A344744 a(n) = A007908(n-1)^n.
%e A344744 a(1) = 0^1 = 0;
%e A344744 a(2) = 01^2 = 1;
%e A344744 a(3) = 012^3 = 1728;
%e A344744 a(4) = 0123^4 = 228886641.
%t A344744 a[n_] := FromDigits[Join @@ IntegerDigits @ Range[0, n - 1]]^n; Array[a, 9] (* _Amiram Eldar_, May 29 2021 *)
%o A344744 (Python)
%o A344744 def a(n): return int("".join(str(i) for i in range(n)))**n
%o A344744 print([a(n) for n in range(1, 10)]) # _Michael S. Branicky_, May 29 2021
%Y A344744 Cf. A007778, A007908, A061250.
%K A344744 nonn,base
%O A344744 1,3
%A A344744 _Luke Voyles_, May 27 2021