Number of primes among first 10^n primes that have first and last digits both equal 3 (not counting the prime 3).
0, 4, 32, 278, 2250, 18839, 162662, 1433999, 12811208, 11579881
3 seqfan posts
Sun Aug 29 22:24:40 CEST 2010 [seqfan] Re: A145713 and company
Sun Aug 29 10:59:29 CEST 2010 [seqfan] A145713 and company
Mon Aug 2 23:31:29 CEST 2010 [seqfan] Re: Number of primes having distinct first and last digits both 7 to 10^n primes
Index of A-numbers in seqfan: by ascending order
by month
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