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A066945
Numbers n such that phi(phi(n)) + sigma(sigma(n)) - phi(sigma(n)) - sigma(phi(n)) = phi(n).
+0
3
11, 11063, 11943, 38585, 39995, 43021, 63349, 67709, 967393, 1267511, 2020925, 2915307, 5805559, 6584747, 6659429, 8064017, 26260385, 27681847, 31886881, 41932769, 48922307, 61270145, 71429011, 89087903, 91364345, 191945623
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.
AT&T Labs Research
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