A sequence of 2n consecutive primes with symmetrical gaps about the center starts at this prime.
2, 5, 5, 17, 13, 137, 8021749, 1071065111, 1613902553, 179759581486
4 seqfan posts
Thu Mar 18 19:42:47 CET 2010 [seqfan] Re: A078198 erroneous?
Thu Mar 18 15:22:55 CET 2010 [seqfan] Re: A078198 erroneous?
Thu Mar 18 13:27:54 CET 2010 [seqfan] Re: A078198 erroneous?
Thu Mar 18 13:24:40 CET 2010 [seqfan] A078198 erroneous?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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