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 A103793 #29 Feb 16 2025 08:32:56
%S A103793 1618033,8874989,1798057,7204189,1893911,1374847,5386891,2126633,
%T A103793 6222353,6354433,8322661,1696207,9631361,1361443,1344947,9874339,
%U A103793 7499887,6249407,1210427,6217711,7111777,8053153,9914669,8782289
%N A103793 Primes from merging of 7 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2.
%C A103793 Leading zeros are not permitted, so each term is 7 digits in length. - _Harvey P. Dale_, Oct 23 2011
%H A103793 Vincenzo Librandi, <a href="/A103793/b103793.txt">Table of n, a(n) for n = 1..1000</a>
%H A103793 Simon Plouffe, <a href="http://www.gutenberg.org/ebooks/634">Expansion of the Golden Ratio</a> done to 20,000 digits as part of project Gutenberg.
%H A103793 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GoldenRatio.html">Golden Ratio</a>.
%t A103793 With[{len=7},FromDigits/@Select[Partition[RealDigits[GoldenRatio, 10,1000][[1]],len,1],PrimeQ[FromDigits[#]] && IntegerLength[ FromDigits[#]] == len&]] (* _Harvey P. Dale_, Oct 23 2011 *)
%Y A103793 Cf. A001622.
%K A103793 nonn,base
%O A103793 1,1
%A A103793 Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
%E A103793 Broken URL to Project Gutenberg replaced by _Georg Fischer_, Jan 03 2009
%E A103793 Offset changed from 0 to 1 by _Vincenzo Librandi_, Apr 19 2013