%I #15 Sep 06 2023 06:57:29
%S 2,7,773,77711,77773,7777709,77777719,777777701,777777773,77777777717,
%T 777777777713,777777777773,7777777777771,777777777777719,
%U 777777777777773,77777777777777711,777777777777777737,7777777777777777793,77777777777777777729,77777777777777777771
%N Smallest prime beginning with exactly n 7's.
%H M. F. Hasler, <a href="/A065590/b065590.txt">Table of n, a(n) for n = 0..200</a>
%Y Cf. A037067, A065581, A065584 - A065592.
%K nonn,base
%O 0,1
%A _Robert G. Wilson v_, Nov 28 2001
%E Corrected by _Don Reble_, Jan 17 2007
%E Offset corrected by _Sean A. Irvine_, Sep 06 2023