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 A110792 #13 Mar 17 2025 22:14:42 %S A110792 7,3,1111111,777777777,33, %T A110792 11111111111111111111111111111111111111111111111111111111111111111, %U A110792 7777777777777777777,33333333333333333333,111111111111111111111111111111111111111 %N A110792 Copies of 7,3 and 1 cyclically such that every partial concatenation is a prime. %e A110792 7,73,731111111,...are all prime. %Y A110792 Cf. A110793 (digit lengths). %Y A110792 Other combinations: A110774, A110776, A110778, A110780, A110782, A110788, A110790. %K A110792 base,nonn %O A110792 1,1 %A A110792 _Amarnath Murthy_, Aug 13 2005 %E A110792 More terms from _Sean A. Irvine_, Mar 21 2010 %E A110792 a(9) from _Jon E. Schoenfield_, Jul 11 2010