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 A110791 #10 Mar 17 2025 22:14:46 %S A110791 1,1,1,15,5,87,4,27,5,168,27,478,70 %N A110791 Number of digits in A110790(n). %C A110791 Next term is >= 478. [From _David Wasserman_, Jan 06 2009] %e A110791 3, 31, 313, 313111111111111111, ... are all prime. %Y A110791 Cf. A110774, A110775, A110776, A110777, A110778, A110780, A110781, A110782, A110783, A110788, A110789, A110790. %K A110791 base,less,nonn %O A110791 1,4 %A A110791 _Amarnath Murthy_, Aug 13 2005 %E A110791 More terms from _David Wasserman_, Jan 06 2009 %E A110791 Two more terms from _Sean A. Irvine_, Mar 22 2010