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A038531 Primes that are concatenations of k-th prime and k-th composite. 0

%I

%S 79,5927,7333,10139,14951,22769,443117,541133,593143,727169,739171,

%T 941207,1103237,1213253,1367279,1447291,1511303,1553309,1667329,

%U 2011381,2129399,2213411,2237413,2267417,2287423,2339429,2609471

%N Primes that are concatenations of k-th prime and k-th composite.

%Y Cf. A038529-A038532.

%K nonn,base

%O 1,1

%A Vasiliy Danilov (danilovv(AT)usa.net) 1998 Jul

%E Edited by _Charles R Greathouse IV_, Apr 28 2010

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Last modified November 22 13:47 EST 2019. Contains 329393 sequences. (Running on oeis4.)