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 A112741 #6 Aug 06 2022 07:23:03 %S A112741 13,17,19,37,59,337,2153 %N A112741 Primes p such that zeta(1-2p)/zeta(-1) is prime. %C A112741 Found by _David Broadhurst_ in 2002. Note that zeta(-1)=-1/12. Hence zeta(1-2p) has denominator 12 and prime numerator. %Y A112741 Cf. A112548 (n such that the numerator of zeta(1-n) is prime). %K A112741 hard,nonn %O A112741 1,1 %A A112741 _T. D. Noe_, Sep 28 2005