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 A252482 #14 Feb 16 2025 08:33:24 %S A252482 0,1,2,3,5,6,8,10,14,20,26 %N A252482 Exponents n such that the decimal expansion of the power 12^n contains no zeros. %C A252482 Conjectured to be finite. %C A252482 See A245853 for the actual powers 12^a(n). %H A252482 M. F. Hasler, <a href="https://oeis.org/wiki/Zeroless_powers">Zeroless powers</a>, OEIS Wiki, Mar 07 2014 %H A252482 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Zero.html">Zero</a> %t A252482 Select[Range[0,30],DigitCount[12^#,10,0]==0&] (* _Harvey P. Dale_, Apr 06 2019 *) %o A252482 (PARI) for(n=0,9e9,vecmin(digits(12^n))&&print1(n",")) %Y A252482 For zeroless powers x^n, see A238938 (x=2), A238939, A238940, A195948, A238936, A195908, A245852, A240945 (k=9), A195946 (x=11), A245853, A195945; A195942, A195943, A103662. %Y A252482 For the corresponding exponents, see A007377, A030700, A030701, A008839, A030702, A030703, A030704, A030705, A030706, this sequence A252482, A195944. %Y A252482 For other related sequences, see A052382, A027870, A102483, A103663. %K A252482 nonn,base %O A252482 1,3 %A A252482 _M. F. Hasler_, Dec 17 2014