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A051594 Maximal elements of pairs of "(-1)sigma amicable numbers", sorted by their minimal elements. 1
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; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..23.

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.

CROSSREFS

Cf. A051595, A049060.

Sequence in context: A206759 A257951 A213461 * A238045 A096889 A206205

Adjacent sequences:  A051591 A051592 A051593 * A051595 A051596 A051597

KEYWORD

nonn

AUTHOR

Yasutoshi Kohmoto

EXTENSIONS

Edited by Dean Hickerson, Nov 06 2006

More terms from Max Alekseyev, Jan 31 2010

STATUS

approved

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Last modified August 22 12:34 EDT 2019. Contains 326177 sequences. (Running on oeis4.)