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 A245853 #6 Sep 08 2022 08:46:09 %S A245853 1,12,144,1728,248832,2985984,429981696,61917364224,1283918464548864, %T A245853 3833759992447475122176,11447545997288281555215581184 %N A245853 Powers of 12 without the digit '0' in their decimal expansion. %C A245853 Conjectured to be finite. %t A245853 Select[12^Range[0, 2*10^5], DigitCount[#, 10, 0]==0 &] %o A245853 (Magma) [12^n: n in [0..3*10^4] | not 0 in Intseq(12^n)]; %Y A245853 Cf. Powers of k without the digit '0' in their decimal expansion: A238938 (k=2), A238939 (k=3), A238940 (k=4), A195948 (k=5), A238936 (k=6), A195908 (k=7), A245852 (k=8), A240945 (k=9), A195946 (k=11), this sequence (k=12), A195945 (k=13). %K A245853 nonn,base %O A245853 1,2 %A A245853 _Vincenzo Librandi_, Aug 04 2014