References to A066531

EPRNs (Equal Product of Reversible Numbers): numbers which can be expressed as the product of two reversible numbers in at least two different ways.
2520, 4030, 5740, 7360, 7650, 9760, 10080, 12070, 13000, 14580, 14620, 16120


1 seqfan posts

Tue Feb 14 06:19:25 CET 2012    [seqfan] EPRNs

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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