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A091161
Number of primes of the form 12k + 1 less than 10^n.
4
0, 5, 36, 300, 2374, 19564, 166011, 1440021, 12710866, 113759426
OFFSET
1,2
CROSSREFS
Cf. A091161 + A091162 + A091163 + A091164 +2 (for 2 & 3) = A006880.
Sequence in context: A027331 A357153 A255489 * A364765 A135149 A269007
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jan 12 2004
STATUS
approved