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 A052384 #9 Jun 30 2020 07:05:47 %S A052384 3,4,3,4,4,3,3,4,5,4,5,4,5,4,5,3,5,5,4,3,3,3,4,5,5,5,5,3,5,4,4,4,3,5, %T A052384 5,4,3,4,5,3,3,4,5,4,4,5,5,4,3,4,4,5,3,4,4,5,4,4,4,4,4,4,3,5,4,5,5,3, %U A052384 3,4,4,3,3,5,3,3,4,5,4,4,5,3,3,5,4,5,4,5,3,4,5,4,3,3,3,5,4,3,5,4,5,3,3,4,5 %N A052384 Number of letters in the n-th decimal digit of Pi (in English). %F A052384 a(n) = A005589(A000796(n)). - _R. J. Mathar_, Jun 30 2020 %F A052384 a(n) = A107488(n). - _R. J. Mathar_, Jun 30 2020 %p A052384 A052384 := proc(n) %p A052384 A005589(A000796(n)) ; %p A052384 end proc: %p A052384 seq(A052384(n),n=2..30) ; # _R. J. Mathar_, Jun 30 2020 %Y A052384 Cf. A005589. %K A052384 base,easy,nonn,word %O A052384 2,1 %A A052384 Olivier Herz (olivier.herz(AT)mines.org), Mar 10 2000 %E A052384 More terms from Larry Reeves (larryr(AT)acm.org), Oct 02 2000 %E A052384 Offset set to 2. - _R. J. Mathar_, Jun 30 2020