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 A094413 #22 Jul 22 2024 00:03:10 %S A094413 17261,120581,163059,300847,1842581,3489641,3792541,5573499,21159271, %T A094413 36561959,40779991,63055651,67306519,69503037,72125899,129487163, %U A094413 136021717,174008141,175094767,247600477,418623283,529281911,814454381,902315699 %N A094413 Odd composites k that divide Fibonacci(k) + 1 but not Fibonacci(k+1). %H A094413 David Radcliffe, <a href="/A094413/b094413.txt">Table of n, a(n) for n = 1..33</a> (first 24 terms from G. Resta) %o A094413 (PARI) isok(n) = (n % 2) && ! ((fibonacci(n) + 1) % n) && (fibonacci(n+1) % n); \\ _Michel Marcus_, Aug 27 2013 %Y A094413 Cf. A094395, A094411, A094412. %K A094413 nonn %O A094413 1,1 %A A094413 _Eric Rowland_, May 07 2004 %E A094413 4 more terms from _Ryan Propper_, Aug 03 2005 %E A094413 a(9)-a(24) from _Giovanni Resta_, Jul 20 2013