A091170 - OEIS

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A091170

Number of primes of the form 30k + 19 less than 10^n.

%I #5 Oct 14 2014 11:10:06

%S 0,2,18,150,1192,9788,83010,720153,6354987,56879810,514749730,

%T 4700977077,43258170456

%N Number of primes of the form 30k + 19 less than 10^n.

%Y Cf. A091165 + A091166 + A091167 + A091168 + A091169 + A091170 + A091171 + A091172 +3 (for 2, 3 & 5) = A006880.

%K nonn,more

%O 1,2

%A _Robert G. Wilson v_, Jan 12 2004

%E a(11)-a(13) from _Hiroaki Yamanouchi_, Oct 14 2014