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A015882
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Numbers n such that sigma(n) = sigma(n + 12).
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13
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35, 104, 285, 287, 310, 329, 340, 345, 406, 609, 660, 736, 767, 957, 1067, 1207, 1242, 1768, 1786, 1817, 1824, 2047, 2288, 2407, 2672, 2686, 2714, 3009, 4012, 4387, 4653, 4847, 6179, 7532, 8366, 8920, 10005, 10528, 11140, 11670, 11951
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| A. Weingartner, On the Solutions of sigma(n) = sigma(n+k), Journal of Integer Sequences, Vol. 14 (2011), #11.5.5.
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CROSSREFS
| Cf. A002961, A007373, A015861, A015863, A015865, A015866, A015867, A015876, A015877, A015880, A015881, A015883, A181647. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 03 2010]
Sequence in context: A044222 A044603 A063795 * A010085 A033852 A183854
Adjacent sequences: A015879 A015880 A015881 * A015883 A015884 A015885
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KEYWORD
| nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com)
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