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 A066712 #2 Jul 19 2005 03:00:00 %S A066712 3,1,4,15,5,9,2,6,53,35,58,8,97,7,93,32,23,38,84,46,62,264,64,43,33, %T A066712 383,83,327,27,795,95,50,0,28,88,841,419,19,971,71,16,69,939,39,99, %U A066712 937,37,75,51,10 %N A066712 Inverse of A032445, with first appearance of string "0" in decimal expansion of Pi added to A032445. %C A066712 First appearance of string n in decimal expansion of Pi %e A066712 a(4) = 15 because string 15 is the first appearance of a decimal string having first appearance starting at digit 4 of the decimal expansion of Pi. %Y A066712 Cf. A032445, A000796. %K A066712 base,nonn %O A066712 1,1 %A A066712 Robert A. Stump (bee_ess107(AT)yahoo.com), Jan 13 2002