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 A122422 #8 Feb 16 2025 08:33:02 %S A122422 4,144,227,444,19474 %N A122422 Numbers n such that first n digits of Soldner's constant gives a prime number. %H A122422 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConstantPrimes.html">Constant Primes</a> %H A122422 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IntegerSequencePrimes.html">Integer Sequence Primes</a> %H A122422 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SoldnersConstant.html">Soldner's Constant</a> %Y A122422 Cf. A070769, A122421. %K A122422 nonn,more,base %O A122422 1,1 %A A122422 _Eric W. Weisstein_, Sep 03 2006 %E A122422 a(5) = 19474 from _Eric W. Weisstein_, Sep 06 2006