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 A080235 #7 Mar 30 2012 18:39:15 %S A080235 1,2,3,6,6,8,7,11,12,13,14,21,21,23,29,28,26,31,37,36,36,42,45,48,51, %T A080235 47,50,53,53,62,57,55,55,68,69,52,63,66,71,79,63,66,78,90,83,82,78,85, %U A080235 80,91,91,90,92,93,93,107,110,103,119,120,113,115,118,121,125,125,130,135 %N A080235 Number of terms in the continued fraction for (Pi truncated to n decimal digits). %e A080235 Pi truncated to 4 decimal places gives 3.1415 . The continued fraction for 3.1415 is [3, 7, 14, 1, 8, 2] which contains 6 terms, hence a(3)=6. %Y A080235 Cf. A065019. %K A080235 nonn,base %O A080235 0,2 %A A080235 _Benoit Cloitre_, Mar 17 2003