Numbers n, not divisible by 3, 5, 7 or 11, such that A000203(n)-n-1 and 2*n+1-A000203(n) are prime numbers.
4, 988, 1612, 3172, 5332, 7852, 11908, 18748, 19276, 21268, 21508, 25156, 32188
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
12 seqfan posts
Tue Aug 24 11:19:58 CEST 2010 [seqfan] Re: A180268
Tue Aug 24 11:02:09 CEST 2010 [seqfan] Re: A180268
Tue Aug 24 03:37:54 CEST 2010 [seqfan] Re: A180268
Tue Aug 24 00:11:20 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 23:38:21 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 23:32:41 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 23:11:02 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 23:07:51 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 23:00:57 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 22:39:20 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 22:23:04 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 22:07:27 CEST 2010 [seqfan] A180268
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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