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 A139726 #3 Feb 11 2016 18:02:35 %S A139726 6,7,7,0,16,14,6,3,2,2,3,12,3,1,5,10,9,12,2,1,8,9,17,7,6,0,16,5,4,2, %T A139726 18,11,11,25,11,0,3,0,10,17,19,0,9,41,5,15,2,21,0,7,7,1,10,18,28,30,4, %U A139726 1,17,12,3,11,12,5,22,14,3,24,7,3,19,14,5,15,7,17,11,7,11,0,12,1,3,0,2,6,1 %N A139726 Number of digits between successive occurrences of digit 8 in decimal representation of Pi. %t A139726 Differences[Flatten[Position[RealDigits[Pi,10,1000][[1]],8]]]-1 (* _Harvey P. Dale_, Feb 11 2016 *) %Y A139726 Cf. A135088, A000796. %K A139726 nonn,base %O A139726 1,1 %A A139726 Daniel Drijard (daniel.drijard(AT)cern.ch)