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A062689
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Smallest square that contains the digits of n in its exact middle.
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0
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0, 1, 121, 12321, 4, 256, 169, 576, 289, 9, 8100, 2116, 361201, 3136, 181476, 1156, 16, 101761, 5184, 281961, 2209, 9216, 1225, 182329, 3249, 25, 292681, 192721, 8281, 1296, 2304, 183184, 5329, 343396, 203401, 4356, 36, 223729, 173889, 7396
(list; graph; refs; listen; history; internal format)
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