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Powers of 6 with initial digit 1.
4

%I #10 Oct 04 2023 15:30:56

%S 1,1296,1679616,10077696,13060694016,16926659444736,101559956668416,

%T 131621703842267136,170581728179578208256,1023490369077469249536,

%U 1326443518324400147398656,1719070799748422591028658176

%N Powers of 6 with initial digit 1.

%H Muniru A Asiru, <a href="/A067492/b067492.txt">Table of n, a(n) for n = 1..387</a>

%t Select[6^Range[0,40],IntegerDigits[#][[1]]==1&] (* _Harvey P. Dale_, Oct 04 2023 *)

%o (GAP) Filtered(List([0..40],n->6^n),i->ListOfDigits(i)[1]=1); # _Muniru A Asiru_, Oct 22 2018

%Y Cf. A067480, A067481, A067482, A067483, A067484, A067485, A067486, A067487, A067488, A067489, A067490, A067491.

%K base,easy,nonn

%O 1,2

%A _Amarnath Murthy_, Feb 09 2002

%E Offset 1 from _Michel Marcus_, Oct 19 2018