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A110929 The common value of sigma_2 for square-amicable numbers, sigma_2(m)=sigma_2(n), m<n. +0
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50, 850, 1300, 2210, 6100, 8500, 14500, 18100, 22100, 22100, 22100, 24650, 26500, 32550, 42500, 42100, 48100, 48100, 48100, 68500, 68900, 84100, 92500, 103700, 110500, 110500, 110500, 140500, 158600, 174100, 201110, 186100, 221000, 224500 (list; graph; listen)
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.

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