A152274 - OEIS

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A152274

Number of 2's among the digits of all n-digit primes.

%I #4 Jul 20 2015 03:47:32

%S 1,2,29,359,3515,35666,361054,3647203,36746382,369719841,3715552230,

%T 37310055810,374416981198,3755522785108

%N Number of 2's among the digits of all n-digit primes.

%Y Cf. A130817, A152272, A152273, A152275, A152276, A152277, A152278, A152279, A152280, A152281.

%K base,nonn

%O 1,2

%A _Jon E. Schoenfield_, Dec 01 2008

%E a(12)-a(14) from _Giovanni Resta_, Jul 20 2015