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 A031027 #8 Oct 07 2016 13:08:47 %S A031027 1,2,3,5,1,1,1,6,3,0,4,6,1,0,6,1,5,5,2,6,4,4,5,2,1,0,4,6,1,5,3,1,2,6, %T A031027 1,0,4,4,4,1,1,0,3,5,1,1,5,1,2,2,2,5,5,0,3,4,3,6,2,5,1,0,2,4,3,1,1,4, %U A031027 6,3,5,6,2,5,2,1,2,0,4,3,1,5,0,6,1,0,1,3,6,2 %N A031027 Write the (n+1)st Fibonacci number in base 7 and juxtapose. %t A031027 Flatten[IntegerDigits[#,7]&/@Fibonacci[Range[2,40]]] (* _Harvey P. Dale_, Jan 21 2013 *) %K A031027 nonn,base %O A031027 1,2 %A A031027 _Clark Kimberling_