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Search: id:A137092
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| A137092 |
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Numbers n such that n and the square of n use only the digits 2, 3, 7, 8 and 9. |
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+0 1
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| 3, 27, 2973, 2983, 88223, 88277, 298327, 299833, 993923, 2978923, 9893323, 9939277, 27978277, 28773233, 28798233, 28978923, 29729327, 29828223, 29983327, 29998333, 88283233, 93989323, 98887733, 98893323, 287989233, 289799827, 297293327, 298978223, 887299233, 893293277, 989339827, 989893923, 2787979327, 2827328923
(list; graph; listen)
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