Numbers n, not relatively prime to 10, such that the decimal form of the period of 1/n is prime.
12, 18, 30, 36, 45, 48, 75, 120, 180, 192, 198, 270, 288, 300, 330, 360, 450, 480, 495
4 seqfan posts
Fri Nov 19 11:48:38 CET 2010 [seqfan] Re: extending A179192 (periods of 1/n)
Fri Nov 19 00:11:51 CET 2010 [seqfan] Re: extending A179192 (periods of 1/n)
Fri Nov 19 01:06:42 CET 2010 [seqfan] Re: extending A179192 (periods of 1/n)
Thu Nov 18 22:20:01 CET 2010 [seqfan] extending A179192 (periods of 1/n)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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