A091169 Number of primes of the form 30k + 17 less than 10^n.

0, 2, 22, 153, 1211, 9809, 83107, 720225, 6355839, 56882586, 514754900, 4700994319, 43258179075

Offset

1,2

Links

Table of n, a(n) for n=1..13.

Crossrefs

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

Sequence in context: A282819 A123960 A265864 * A279380 A230835 A270407

Adjacent sequences: A091166 A091167 A091168 * A091170 A091171 A091172

Keyword

nonn,more

Author

Robert G. Wilson v, Jan 12 2004

Extensions

a(11)-a(13) from Hiroaki Yamanouchi, Oct 14 2014

Status

approved