Number of primes p in the range 9 < p <= prime(10^n) that have most significant and least significant decimal digit both equal to 7.
0, 0, 32, 264, 2103, 17891, 155956, 1379175, 12374435, 11221330
7 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
Mon Aug 2 23:07:24 CEST 2010 [seqfan] Re: Number of primes having distinct first and last digits both 7 to 10^n primes
Mon Aug 2 23:04:13 CEST 2010 [seqfan] Re: Number of primes having distinct first and last digits both 7 to 10^n primes
Mon Aug 2 22:58:06 CEST 2010 [seqfan] Re: Number of primes having distinct first and last digitsboth 7 to 10^n primes
Mon Aug 2 22:21:28 CEST 2010 [seqfan] Number of primes having distinct first and last digits both 7 to 10^n primes
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