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 A327428 #16 Jun 25 2021 01:40:37 %S A327428 2,3,5,11,191,383,929,19991,39293,98689,1998991,3998993,9989899, %T A327428 199999991,399878993,999727999,19998289991,39998389993,99999199999, %U A327428 1999987899991,3999992999993,9999987899999,199999959999991,399999959999993,999999787999999,19999998589999991,39999999299999993 %N A327428 Record gaps between palindromic primes (lower end): primes A002385(k) where A002385(k+1) - A002385(k) exceeds A002385(j+1) - A002385(j) for all j < k. %C A327428 This sequence is infinite if there exists an infinite number of palindromic primes (see comment in A327427). %Y A327428 Cf. A002385, A002386, A327427. %K A327428 nonn,base %O A327428 1,1 %A A327428 _Chai Wah Wu_, Sep 09 2019