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 A068439 #24 Jan 12 2020 09:53:51 %S A068439 3,1,13,10,7,5,12,13,10,8,1,3,7,5,4,2,7,10,4,0,10,11,12,11,1,11,13,4, %T A068439 7,5,4,9,12,8,9,11,12,11,6,8,6,1,13,3,3,2,7,12,7,4,0,12,10,11,8,0,9, %U A068439 10,5,2,13,0,13,13,5,1,7,1,8,7,4,5,0,4,10,5,4,8,1,12,12,9,1,5,4,9,0,11,11,5 %N A068439 Expansion of Pi in base 14. %e A068439 3.1da75cda81375427a40abcb1bd47549c89bcb6... %t A068439 RealDigits[Pi, 14, 115][[1]] %Y A068439 Pi in base b: A004601 (b=2), A004602 (b=3), A004603 (b=4), A004604 (b=5), A004605 (b=6), A004606 (b=7), A006941 (b=8), A004608 (b=9), A000796 (b=10), A068436 (b=11), A068437 (b=12), A068438 (b=13), this sequence (b=14), A068440 (b=15), A062964 (b=16), A060707 (b=60). %K A068439 easy,nonn,base,cons %O A068439 1,1 %A A068439 _Benoit Cloitre_, Mar 09 2002