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A056852
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(p^p + 1)/(p + 1) where p is prime.
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3
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7, 521, 102943, 23775972551, 21633936185161, 45957792327018709121, 98920982783015679456199, 870019499993663001431459704607, 85589538438707037818727607157700537549449
(list; graph; refs; listen; history; internal format)
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