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A051594
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Maximal elements of pairs of "(-1)sigma amicable numbers", sorted by their minimal elements.
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1
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466200, 604656, 1103760, 2580048, 3652560, 5823216, 5255856, 5733288, 6941160, 7780968, 7738128, 11063448, 16588192, 14914224, 19592496, 17928144, 21614544, 20934576, 23009200, 22829040, 28157688, 29892800, 25180848, 28536300
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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FORMULA
| (-1)sigma(a) = (-1)sigma(b) = a+b where a<b. Here (-1)sigma(n) = A049060(n): If n = Product p(i)^r(i) then (-1)sigma(n) = Product(-1+Sum p(i)^s, s=1 to r(i)). This sequence gives the values of b; A051595 gives the values of a.
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CROSSREFS
| Cf. A051595, A049060.
Sequence in context: A114671 A205765 A206759 * A096889 A206205 A092010
Adjacent sequences: A051591 A051592 A051593 * A051595 A051596 A051597
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KEYWORD
| nonn
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AUTHOR
| Yasutoshi Kohmoto (zbi74583(AT)boat.zero.ad.jp)
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EXTENSIONS
| Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Nov 06 2006
More terms from Max Alekseyev (maxale(AT)gmail.com), Jan 31 2010
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