Number of primes p in the range 9 < p <= prime(10^n) that begin and end with the same digit.
1, 10, 105, 1180, 14143, 158036, 1703161, 17520558, 157563619, 143155720
5 seqfan posts
Mon Aug 30 03:30:33 CEST 2010 [seqfan] Re: A145713 and company
Sun Aug 29 22:24:40 CEST 2010 [seqfan] Re: A145713 and company
Sun Aug 29 16:35:47 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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