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 A194097 #36 Apr 03 2023 10:36:12 %S A194097 8,1,5,7,1,0,1,9,6,2,9,0 %N A194097 Decimal expansion of the sum of the reciprocals of A016041 (primes that are binary palindromes). %H A194097 Ranta, <a href="https://t5k.org/curios/page.php?number_id=2302">Prime Curios!</a> %e A194097 Partial sum is 0.81571010760865175... if primes up to 40 binary digits are included; partial sum is 0.8157101534554485... if summed to 42 binary digits. - _R. J. Mathar_, Aug 27 2011 %e A194097 Partial sum is 0.81571019628323164... for primes up to 66 bits. - _Martin Raab_, Jan 13 2012 %Y A194097 Cf. A095741, A118064, A244162. %K A194097 nonn,cons,more,base %O A194097 0,1 %A A194097 _Kausthub Gudipati_, Aug 15 2011 %E A194097 a(6)-a(11) from _Martin Raab_, Jan 13 2012 %E A194097 Edited by _Jon E. Schoenfield_, Nov 27 2016