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 A105457 #5 Mar 05 2019 08:37:16
%S A105457 0,0,0,1,6,21,66,170,404,984,2384,5877,14459,36720,92657,234376,
%T A105457 597082,1525209,3913689,10076194,26016985
%N A105457 Number of irregular primes less than e^n.
%t A105457 ip={ the list of irregular primes to 12 million }; Table[ Length[ Select[ip, # < E^n &]], {n, 16}]
%Y A105457 Cf. A040014, A105461, A105466.
%K A105457 hard,nonn,more
%O A105457 1,5
%A A105457 _Robert G. Wilson v_, Apr 07 2005
%E A105457 a(16) corrected and a(17)-a(21) added by _Amiram Eldar_, Mar 05 2019