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A091164
Number of primes of the form 12k + 11 less than 10^n.
4
0, 6, 42, 307, 2397, 19654, 166214, 1440453, 12712194, 113765537
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..10.
CROSSREFS
Cf.
A091161
+
A091162
+
A091163
+
A091164
+2 (for 2 & 3) =
A006880
.
Sequence in context:
A127628
A111602
A299916
*
A004982
A093388
A162968
Adjacent sequences:
A091161
A091162
A091163
*
A091165
A091166
A091167
KEYWORD
nonn
AUTHOR
Robert G. Wilson v
, Jan 12 2004
STATUS
approved
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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)