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 A114373 #5 Feb 22 2018 22:29:56 %S A114373 2,3,109,4441,111111109,111111111111111091,444444444444444419, %T A114373 333333333333333333333333333333293, %U A114373 444444444444444444444444444444444391,3333333333333333333333333333333333313 %N A114373 Lesser of two successive primes the sum of which is a repdigit. %H A114373 Chai Wah Wu, <a href="/A114373/b114373.txt">Table of n, a(n) for n = 1..15</a> %e A114373 nextprime(4441)=4447 and 4441+4447=8888. %Y A114373 Cf. A104388. %K A114373 base,nonn %O A114373 1,1 %A A114373 _Giovanni Resta_, Feb 09 2006