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A054377
Primary pseudoperfect numbers.
+0
2
2, 6, 42, 1806, 47058, 2214502422, 52495396602, 8490421583559688410706771261086
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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