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A134649 Minimal n-primeval numbers: a(n) = smallest number M such that all primes with <= n digits are embedded in a permuted subsequence of M's digits. 1

%I #4 Mar 30 2012 16:50:46

%S 2357,1123456789,1012233445566778899,10011222333444555666777888999,

%T 1000111222233334444555666777788889999,

%U 100001111222233333444445555566666777778888899999,100000111112222233333344444555556666677777788888999999

%N Minimal n-primeval numbers: a(n) = smallest number M such that all primes with <= n digits are embedded in a permuted subsequence of M's digits.

%H M. Keith, <a href="http://www.cadaeic.net/primeval.htm">Integers containing many embedded primes</a>

%Y Cf. A039993, A135377.

%K nonn,base,easy

%O 1,1

%A _N. J. A. Sloane_, Jan 25 2008

%E Extended by Charles R Greathouse IV Aug 13 2009

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Last modified May 28 04:02 EDT 2024. Contains 372900 sequences. (Running on oeis4.)