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A089954
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n+1 and sigma(n)+1 are both perfect squares.
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0
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8, 15, 35, 120, 143, 323, 728, 899, 1520, 1763, 3599, 5183, 10403, 11663, 19043, 22499, 32399, 36863, 39203, 51983, 57599, 72899, 76728, 79523, 97343
(list; graph; refs; listen; history; internal format)
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