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 A059709 #24 Feb 16 2025 08:32:44
%S A059709 4,5,6,7,8,14,15
%N A059709 Numbers k such that A003266(k) - 1 is prime.
%C A059709 The a(n)-th almost-Fibonorial number is prime.
%C A059709 If it exists, a(8) > 1300. - _Michael S. Branicky_, Aug 17 2024
%H A059709 C. K. Caldwell, <a href="https://t5k.org/glossary/page.php?sort=FibonacciNumber">Fibonacci Numbers</a>.
%H A059709 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Fibonorial.html">Fibonorial</a>.
%t A059709 a = 1; Do[ a = a*Fibonacci[n]; If[ PrimeQ[a - 1], Print[n] ], {n, 1, 247} ]
%Y A059709 Cf. A003266, A053408.
%K A059709 nonn,more
%O A059709 1,1
%A A059709 _Robert G. Wilson v_, Feb 07 2001
%E A059709 Definition corrected by _Daniel Forgues_, Nov 29 2009
%E A059709 Name edited by _Michel Marcus_, Jan 17 2024