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A083470 Smallest prime which is the concatenation of n distinct primes in increasing order. 0

%I

%S 2,23,257,2357,235723,23571143,2357111371,235711131767,23571113172367,

%T 2357111317192343,235711131719233171,23571113171923296797,

%U 2357111317192329314189,235711131719232931375979,23571113171923293137414371,2357111317192329313741436167

%N Smallest prime which is the concatenation of n distinct primes in increasing order.

%C Perhaps the n-th term begins with the concatenation of the first (n-1) primes, except for n = 3.

%C The 9th, 11th, 12th, 13th, .... terms are other counterexamples to the above "conjecture". On the other hand, it seems almost sure that the n-th term starts with the concatenation of the first (n-2) primes. - _M. F. Hasler_, Mar 20 2011

%Y Cf. A069837, A083427.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 02 2003

%E More terms from _David Wasserman_, Nov 02 2004

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Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)