References to A059677

Numbers n such that 1n1, 3n3, 7n7 and 9n9 are all primes.
20, 53, 341, 536, 2312, 2477, 3380, 3665, 3686, 4547, 5009, 5105, 6458, 6488, 6731

1 seqfan posts

Fri Mar 12 14:58:50 CET 2010    [seqfan] The Fuer Elise sequences
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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