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A088755
Number of n-digit primes beginning with n.
5
0, 2, 16, 119, 924, 7445, 63129, 547572, 4838319, 4814936, 43167234, 391378851, 3580266494, 32997926272, 306051434210, 2853931339135, 26737370196938, 251515351394258, 2374493400086829, 22488661383368556, 213597279448646179, 2033961812788210675, 19413250431142245897
OFFSET
1,2
COMMENTS
This is a subsidiary sequence suggested in A088104.
EXAMPLE
a(2) = 2 since 23 and 29 are the only two 2-digit primes beginning with 2.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Ray Chandler, Oct 15 2003
EXTENSIONS
More terms from Harvey P. Dale, Oct 16 2003
a(10)-a(13) corrected and a(14)-a(22) from Donovan Johnson, Apr 24 2013
Incorrect Mathematica program deleted by Harvey P. Dale, Apr 25 2013
a(23) from Chai Wah Wu, Jun 20 2019
STATUS
approved