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 A272331 #19 Apr 27 2016 23:45:47 %S A272331 1,2,8,46368,4807526976 %N A272331 Refactorable Fibonacci numbers. %C A272331 Luca & Young prove that there are no more terms in this sequence. - _Charles R Greathouse IV_, Apr 27 2016 %H A272331 Florian Luca and Paul Thomas Young, <a href="https://pdfs.semanticscholar.org/c341/206d68979e1668fc470f668868ccd3b69bcc.pdf">On the number of divisors of n! and of the Fibonacci numbers</a> %F A272331 a(n) = A000045(A160683(n+1)). - _Michel Marcus_, Apr 25 2016 %e A272331 8 is a term as a Fibonacci number that is divisible by the number of its divisors, (1,2,4,8), which is 4. %p A272331 select(t -> t mod numtheory:-tau(t) = 0, map(combinat:-fibonacci, [$2..200])); # _Robert Israel_, Apr 27 2016 %t A272331 DeleteDuplicates@Select[Fibonacci@Range@200, Divisible[#, IntegerLength@#]&] %o A272331 (PARI) for(n=2, 200, fn=fibonacci(n); fn%numdiv(fn)==0&&print1(fn ", ")) %Y A272331 Intersection of A000045 (Fibonacci numbers) and A033950 (refactorable numbers). %Y A272331 Cf. A000005 (number of divisors), A160683. %K A272331 nonn,fini,full %O A272331 1,2 %A A272331 _Waldemar Puszkarz_, Apr 25 2016