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A117711
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Pentagonal numbers for which both the sum of the digits and the product of the digits are pentagonal numbers.
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0
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0, 1, 5, 6501, 8400, 10542, 10795, 18760, 21540, 32340, 45850, 50142, 50692, 55200, 60501, 72490, 91390, 104412, 127750, 160230, 170185, 179401, 208507, 239800, 250717, 272001, 273208, 333940, 346801, 400675, 429070, 442002, 520087, 536107
(list; graph; refs; listen; history; internal format)
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