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A066598
4-EPRNs (Equal Product Of Reversible Numbers): numbers which can be expressed as the product of two reversible numbers in four different ways.
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1015560, 1446480, 1854720, 10155600, 14464800, 18547200, 51665040, 59552640, 67944240, 78127560, 82623060, 88560360, 95236960, 99497160, 101556000, 105094080, 108656860, 110937960, 117681480, 118072080, 124942090, 135647680
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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