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 A064117 #16 Feb 16 2025 08:32:45 %S A064117 1618033,1618033988749 %N A064117 Primes formed by the initial digits of the decimal expansion of the golden ratio phi = (1+sqrt(5))/2. %C A064117 The next terms are too large to include here, see A064119. %H A064117 Sean A. Irvine, <a href="/A064117/b064117.txt">Table of n, a(n) for n = 1..4</a> %H A064117 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Phi-Prime.html">Phi-Prime</a> %Y A064117 Cf. A064119. %K A064117 base,nonn,bref %O A064117 1,1 %A A064117 _Shyam Sunder Gupta_, Sep 09 2001 %E A064117 Incorrect comment removed by _Felix Fröhlich_, Aug 25 2014 %E A064117 Definition adjusted by _Felix Fröhlich_, Aug 25 2014