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Search: id:A137003
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| A137003 |
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Numbers n such that n and the square of n use only the digits 1, 2, 5 and 6. |
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+0 2
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| 1, 5, 11, 15, 16, 25, 125, 511, 515, 516, 1125, 2261, 5125, 12511, 12515, 25525, 51211, 125125, 5162515, 51626211, 125162515, 5162525125
(list; graph; listen)
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