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 A135088 #7 Feb 22 2020 20:57:36 %S A135088 1,33,2,8,18,25,0,7,6,27,9,4,0,0,7,4,5,0,22,7,13,17,4,2,3,18,11,13,1, %T A135088 16,4,4,17,1,17,0,17,3,4,2,1,0,20,6,2,0,3,4,0,3,2,0,24,11,6,3,0,3,25, %U A135088 15,5,18,1,5,12,10,8,2,16,12,5,4,8,9,10,22,4,0,1,4,10,1,3,9,7,5,0,20,5,4,5,45,2,0,2,1,1,4,22,4 %N A135088 Number of digits between successive occurrences of digit 1 in decimal representation of Pi. %H A135088 Harvey P. Dale, <a href="/A135088/b135088.txt">Table of n, a(n) for n = 1..10000</a> %t A135088 Differences[Flatten[Position[RealDigits[Pi,10,1000][[1]],1]]]-1 (* _Harvey P. Dale_, Apr 20 2016 *) %Y A135088 Cf. A000796, A139720-A139728. %K A135088 nonn,base %O A135088 1,2 %A A135088 Daniel Drijard (daniel.drijard(AT)cern.ch), May 05 2008, May 10 2008