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%I #14 Oct 22 2018 11:43:15
%S 7,79792266297612001,7730993719707444524137094407,
%T 749048330965186233494494102694564493649,
%U 72574551534231909331741171093173785967490646405143
%N Powers of 7 with initial digit 7.
%H Muniru A Asiru, <a href="/A067485/b067485.txt">Table of n, a(n) for n = 1..70</a>
%t Select[7^Range[80],First[IntegerDigits[#]]==7&] (* _Harvey P. Dale_, Apr 16 2013 *)
%o (GAP) Filtered(List([0..100],n->7^n),i->ListOfDigits(i)[1]=7); # _Muniru A Asiru_, Oct 22 2018
%Y Cf. A067480, A067481, A067482, A067483, A067484.
%K base,easy,nonn
%O 1,1
%A _Amarnath Murthy_, Feb 09 2002
%E More terms from _Benoit Cloitre_, Feb 22 2002
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