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%I #8 Oct 22 2018 12:40:54
%S 1,16807,117649,1977326743,13841287201,1628413597910449,
%T 11398895185373143,191581231380566414401,1341068619663964900807,
%U 157775382034845806615042743,1104427674243920646305299201
%N Powers of 7 with initial digit 1.
%H Muniru A Asiru, <a href="/A067493/b067493.txt">Table of n, a(n) for n = 1..357</a>
%o (GAP) Filtered(List([0..40],n->7^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, A067492.
%K base,easy,nonn
%O 1,2
%A _Amarnath Murthy_, Feb 09 2002
%E Offset 1 by _Michel Marcus_, Oct 19 2018