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A117084
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Octagonal numbers for which both the sum and the product of the digits is also a octagonal number.
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0
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0, 1, 8, 1160, 20501, 30401, 42960, 90480, 131880, 168033, 181056, 208560, 238008, 269400, 302736, 338016, 375240, 414408, 455520, 520833, 590520, 690240, 743016, 770133, 854400, 913008, 943041, 1004565, 1036056, 1068033, 1100496, 1235208
(list; graph; refs; listen; history; internal format)
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