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 A070257 #18 May 21 2025 01:23:01 %S A070257 1,187,3237326,3515987,22572473,516675965,516963965,41863638649, %T A070257 35632297938395 %N A070257 Fecundity of n sets a new record. %C A070257 a(9) > 10^11. - _Donovan Johnson_, Jun 23 2011 %C A070257 a(10) > 2.75*10^14. - _Giovanni Resta_, Jun 04 2013 %Y A070257 Cf. A070562, A070061. %K A070257 nonn,base,hard,more %O A070257 1,2 %A A070257 _Jason Earls_, May 09 2002 %E A070257 a(5)-a(7) from _Donovan Johnson_, Jul 29 2009 %E A070257 a(8) from _Donovan Johnson_, Jun 23 2011 %E A070257 a(9) from _Giovanni Resta_, Jun 04 2013