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 A043522 #15 Apr 24 2021 21:29:28 %S A043522 88,188,288,388,488,588,688,788,808,818,828,838,848,858,868,878,880, %T A043522 881,882,883,884,885,886,887,889,898,988,1088,1188,1288,1388,1488, %U A043522 1588,1688,1788,1808,1818,1828,1838,1848,1858,1868,1878 %N A043522 Numbers having two 8's in base 10. %H A043522 Daniel Starodubtsev, <a href="/A043522/b043522.txt">Table of n, a(n) for n = 1..10000</a> %t A043522 Select[Range[2000],DigitCount[#,10,8]==2&] (* _Harvey P. Dale_, Mar 20 2011 *) %Y A043522 Subsequence of A011538. %K A043522 nonn,base %O A043522 1,1 %A A043522 _Clark Kimberling_