%I A003618 M4452
%S A003618 7,97,997,9973,99991,999983,9999991,99999989,999999937,9999999967,
%T A003618 99999999977,999999999989,9999999999971,99999999999973,999999999999989,
%U A003618 9999999999999937,99999999999999997,999999999999999989,9999999999999999961
%N A003618 Largest n-digit prime.
%D A003618 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A003618 O'Hara, J. Rec. Math., 22 (1990), Table on page 278.
%H A003618 T. D. Noe, <a href="b003618.txt">Table of n, a(n) for n=1..200</a> [Jon 
               Schoenfield verfied that these numbers are indeed all primes, Feb 
               02 2009]
%H A003618 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PreviousPrime.html">Previous Prime</a>
%t A003618 Table[a := 10^(n + 1); While[ ! PrimeQ[a], a-- ]; a, {n, 0, 30}] - Stefan 
               Steinerberger (stefan.steinerberger(AT)gmail.com), Apr 08 2006
%Y A003618 Cf. A003617.
%Y A003618 Cf. A033874
%Y A003618 Sequence in context: A125590 A068694 A158579 this_sequence A093172 A074110 
               A155644
%Y A003618 Adjacent sequences: A003615 A003616 A003617 this_sequence A003619 A003620 
               A003621
%K A003618 nonn,nice,base
%O A003618 1,1
%A A003618 N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein
%E A003618 More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Apr 08 2006