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A152273 Number of 1's among the digits of all n-digit primes. 9

%I #4 Jul 20 2015 03:46:37

%S 0,9,69,603,5672,53281,510523,4940488,48169672,471970959,4641157883,

%T 45764403814,452221586920,4476140736522

%N Number of 1's among the digits of all n-digit primes.

%Y Cf. A130817, A152272, A152274, 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

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)