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A028980 Numbers n such that sum of divisors of n is palindromic. +0
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1, 2, 3, 4, 5, 7, 43, 81, 96, 98, 130, 146, 162, 166, 201, 205, 208, 211, 221, 241, 244, 251, 271, 274, 281, 300, 314, 325, 333, 365, 388, 422, 433, 438, 443, 463, 489, 519, 559, 633, 685, 793, 803, 827, 857, 877, 887, 1376, 1419, 1505, 1548 (list; graph; listen)
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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.


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