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 A382418 #6 Mar 26 2025 21:49:27 %S A382418 0,9,18,27,36,45,54,63,72,81,82,83,84,85,86,87,88,89,90,99,108,117, %T A382418 126,135,144,153,162,163,164,165,166,167,168,169,170,171,180,189,198, %U A382418 207,216,225,234,243,244,245,246,247,248,249,250,251,252,261,270,279,288,297 %N A382418 Numbers with at least one zero in their base-9 representation. %H A382418 Paolo Xausa, <a href="/A382418/b382418.txt">Table of n, a(n) for n = 1..10000</a> %t A382418 Select[Range[0, 300], DigitCount[#, 9, 0] > 0 &] %Y A382418 Cf. analogous sequences in other bases: A062289 (base 2), A081605 (base 3), A196032 (base 4), A382415 (base 5), A382416 (base 6), A382413 (base 7), A382417 (base 8), A011540 (base 10). %Y A382418 Cf. A007095, A043453, A255808 (complement). %K A382418 nonn,base,easy %O A382418 1,2 %A A382418 _Paolo Xausa_, Mar 25 2025