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 A206096 #25 Sep 12 2014 07:49:23 %S A206096 6765,196418,317811,2178309,32951280099,139583862445,1304969544928657, %T A206096 5527939700884757,259695496911122585,679891637638612258, %U A206096 12200160415121876738,83621143489848422977,483162952612010163284885,22698374052006863956975682 %N A206096 Fibonacci numbers with 4 distinct prime divisors, each of multiplicity 1. %C A206096 Intersection of A000045 and A046386. - _Michel Marcus_, Sep 11 2014 %H A206096 Vincenzo Librandi, <a href="/A206096/b206096.txt">Table of n, a(n) for n = 1..36</a> %p A206096 filter:= proc(t) %p A206096 local F; %p A206096 F:= ifactors(t)[2]; %p A206096 map(f -> f[2],F) = [1,1,1,1]; %p A206096 end proc: %p A206096 select(filter, [seq(combinat:-fibonacci(n),n=1..200)]); # _Robert Israel_, Sep 07 2014 %t A206096 Select[Fibonacci[Range[200]],Last/@FactorInteger[#]=={1,1,1,1}&] %o A206096 (PARI) %o A206096 Vec(select(k -> omega(k)==4 && bigomega(k)==4, vector(100, i, fibonacci(i)))) \\ _Edward Jiang_, Sep 11 2014 %Y A206096 Cf. A000045, A053409, A137563 %K A206096 nonn %O A206096 1,1 %A A206096 _Vladimir Joseph Stephan Orlovsky_, Feb 03 2012