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A118893
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Numbers n such that n-1 and n are a pair of consecutive powerful numbers.
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2
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9, 289, 676, 9801, 12168, 235225, 332929, 465125, 1825201, 11309769, 384199201, 592192225, 4931691076, 5425069448, 13051463049, 221322261601, 443365544449, 865363202001, 8192480787001, 11968683934832, 13325427460801, 15061377048201, 28821995554248
(list; graph; refs; listen; history; internal format)
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