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 A030363 #10 Apr 01 2020 08:22:19 %S A030363 1,2,1,0,1,2,2,2,1,1,1,2,1,0,1,0,2,1,2,0,0,1,1,0,0,2,2,1,2,1,0,0,2,2, %T A030363 1,2,2,1,1,1,2,2,2,2,1,1,1,2,1,1,1,0,0,1,2,0,2,0,1,2,0,1,1,1,0,1,1,2, %U A030363 2,0,1,1,2,2,0,1,2,1,2,1,0,0,0,2,1,1,2,0,1,2 %N A030363 Write (n+1)st Fibonacci number in base 3 and juxtapose. %t A030363 Flatten[IntegerDigits[Fibonacci[Range[2,30]],3]] (* _Harvey P. Dale_, Apr 09 2015 *) %Y A030363 Cf. A004686 (Fibonacci numbers written in base 3). %K A030363 nonn,base %O A030363 1,2 %A A030363 _Clark Kimberling_