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 A067492 #10 Oct 04 2023 15:30:56 %S A067492 1,1296,1679616,10077696,13060694016,16926659444736,101559956668416, %T A067492 131621703842267136,170581728179578208256,1023490369077469249536, %U A067492 1326443518324400147398656,1719070799748422591028658176 %N A067492 Powers of 6 with initial digit 1. %H A067492 Muniru A Asiru, <a href="/A067492/b067492.txt">Table of n, a(n) for n = 1..387</a> %t A067492 Select[6^Range[0,40],IntegerDigits[#][[1]]==1&] (* _Harvey P. Dale_, Oct 04 2023 *) %o A067492 (GAP) Filtered(List([0..40],n->6^n),i->ListOfDigits(i)[1]=1); # _Muniru A Asiru_, Oct 22 2018 %Y A067492 Cf. A067480, A067481, A067482, A067483, A067484, A067485, A067486, A067487, A067488, A067489, A067490, A067491. %K A067492 base,easy,nonn %O A067492 1,2 %A A067492 _Amarnath Murthy_, Feb 09 2002 %E A067492 Offset 1 from _Michel Marcus_, Oct 19 2018