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 A339752 #11 Jun 27 2022 01:24:35 %S A339752 1,199981,199982,199983,199984,199985,199986,199987,199988,199989, %T A339752 199990,199991,200001,1599981,1599982,1599983,1599984,1599985,1599986, %U A339752 1599987,1599988,1599989,1599990,1599991,2600001,13199998,13199999,28263827,28263828,35000001 %N A339752 Base-ten n containing a digit making its n-th appearance in the list of consecutive positive integers. %C A339752 Similar to A216400 but an improvement in definition that does not exclude consideration of digit zero and additionally allows for a wordless description of the sequence (see "Counting digits" in links). %C A339752 Conjectured to be "full": digit 0 (the final term) might have subsequents. %H A339752 Hans Havermann, <a href="/A339752/b339752.txt">Table of n, a(n) for n = 1..662</a> %H A339752 Hans Havermann, <a href="https://gladhoboexpress.blogspot.com/2020/12/positive-integers-digit-count.html">Positive-integers digit-count coincidences</a> %H A339752 Hans Havermann, <a href="https://gladhoboexpress.blogspot.com/2020/10/proportionality.html">Proportionality</a> %e A339752 28263827 contains a 2 (the third one) making its 28263827th occurrence, so 28263827 is in the sequence. %e A339752 100559404366 contains a 0 (the second one) making its 100559404366th occurrence, so 100559404366 is in the sequence. %Y A339752 Cf. A000027 (consecutive positive integers), A216400 (Mathematica's Google aptitude variant), A164935 (starts with ten terms of this sequence), A245491 (contains the final term of this sequence), A339753 (English number-words variant). %K A339752 nonn,base,fini %O A339752 1,2 %A A339752 _Hans Havermann_, Dec 15 2020