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Search: id:A066625
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| A066625 |
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Concatenation of factorials in increasing order up to the n-th and then in decreasing order. |
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+0 1
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| 1, 121, 12621, 12624621, 1262412024621, 1262412072012024621, 12624120720504072012024621, 12624120720504040320504072012024621, 1262412072050404032036288040320504072012024621
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