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 A117722 #22 Jun 22 2022 12:25:02 %S A117722 1,3,8,34,144,377,1597,4181,17711,75025,196418,832040,3524578,9227465, %T A117722 39088169,102334155,433494437,1836311903,4807526976,20365011074, %U A117722 53316291173,225851433717,956722026041,2504730781961,10610209857723 %N A117722 a(n) = A000045(A003622(n)). %C A117722 Old name was: Fibonacci numbers from sequence A000045 aligned with instances of '1' in the Fibonacci word sequence A003849. %F A117722 a(n) = A000045( A003622(n) ). - _Joerg Arndt_, Aug 28 2013 %o A117722 (PARI) a(n)=fibonacci((n+1)*(3+sqrt(5))\2-1) \\ _Charles R Greathouse IV_, Apr 19 2015; shifted by _Georg Fischer_, Jun 22 2022 %Y A117722 Cf. A000045, A003622, A003849. %K A117722 easy,less,nonn %O A117722 0,2 %A A117722 _E.J.P. Vening_, Apr 13 2006 %E A117722 More terms from _R. J. Mathar_, Jan 21 2008 %E A117722 Better name by _Joerg Arndt_, Aug 28 2013