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Search: id:A078726
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| A078726 |
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Fermat numbers 2^(2^n) + 1 with digits sorted in increasing order and zeros suppressed. |
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+0 3
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| 3, 5, 17, 257, 35567, 2244677999, 111344445566777789, 111222233333334444445666666777788899, 111111222223333333344444455555555566666666777777778888888999999999999
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