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%I #30 May 10 2019 09:18:42
%S 2,23,235,2357,112357,113257,1131725,113171925,1131719235,
%T 113171923295,113171923295,1131719237295,11317237294195,
%U 1131723294194375,113172329419437475,1131723294194347537,113172329419434753759
%N Smallest number that contains the first n primes as substrings.
%C The version that allows substrings to go from left to right or right to left is A240959. - _Dmitry Kamenetsky_, Oct 07 2015
%H Anders Kaseorg, <a href="/A054261/b054261.txt">Table of n, a(n) for n = 1..510</a>
%H Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_408.htm">Puzzle 408. First primes embedded in the smallest number</a>
%Y Cf. A054260, A035239, A240959.
%K nonn,base,nice
%O 1,1
%A _Patrick De Geest_, Feb 15 2000
%E More terms from _Naohiro Nomoto_, Jul 26 2001
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