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 A074490 #18 Jan 24 2018 23:56:54
%S A074490 2,121,1030301,1036488922561,100350490343120066807,
%T A074490 1000180013500540012150145800729,
%U A074490 1000021000189000945002835005103005103002187,100001520010108038410491224838661675728538309756103563041
%N A074490 n-th power of the smallest n-digit prime.
%H A074490 Vincenzo Librandi, <a href="/A074490/b074490.txt">Table of n, a(n) for n = 1..15</a>
%F A074490 a(n) = A003617(n)^n. - _Michel Marcus_, Oct 02 2013
%e A074490 a(1)=2^1=2, a(2)=11^2=121, a(3)=101^3=1030301.
%t A074490 Table[Prime[PrimePi[10^(n-1)]+1]^n, {n, 7}]
%t A074490 #[[1]]^#[[2]]&/@Table[{NextPrime[10^n],n+1},{n,0,8}] (* _Harvey P. Dale_, Jan 24 2018 *)
%K A074490 nonn,base
%O A074490 1,1
%A A074490 _Zak Seidov_, Sep 26 2002
%E A074490 a(8) from _Vincenzo Librandi_, Oct 04 2013