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 A126432 #8 Apr 03 2023 10:36:11 %S A126432 1645333507,188748146801 %N A126432 Double Wieferich primes with q = 5. %C A126432 Double Wieferich prime pairs are pairs of primes (p, q) such that q^(p-1) == 1 (mod p^2) and p^(q-1) == 1 (mod q^2). %H A126432 C. K. Caldwell, The Prime Glossary, <a href="https://t5k.org/glossary/page.php?sort=FermatQuotient">Fermat quotient</a>. %H A126432 Wikipedia, <a href="https://en.wikipedia.org/wiki/Wieferich_pair">Wieferich pair</a> %Y A126432 Subsequence of A123692. %Y A126432 Cf. A124121, A124122, A125775. %K A126432 bref,hard,more,nonn %O A126432 1,1 %A A126432 _Alexander Adamchuk_, Mar 12 2007