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 A105461 #14 Mar 13 2019 23:46:10
%S A105461 37,59,149,389,809,2543,8089,25301,76493,232439,695407,2040551,
%T A105461 5993249,17532407,50970511,147468721,424835869,1219642051
%N A105461 The floor(exp(n))-th irregular prime.
%F A105461 a(n) = A000928(A000149(n)). - _Amiram Eldar_, Mar 05 2019
%t A105461 ip={ the list of irregular primes to 12 million }; Table[ ip[[ Floor[E^n]]], {n, 0, 12}]
%Y A105461 Cf. A000928, A000149, A055739, A105457, A105466.
%K A105461 hard,nonn,more
%O A105461 1,1
%A A105461 _Robert G. Wilson v_, Apr 07 2005
%E A105461 a(13) corrected and a(14)-a(18) added by _Amiram Eldar_, Mar 05 2019