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A080162
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Demlo numbers A002477 whose digit sums are squares.
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3
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1, 121, 12321, 1234321, 123454321, 12345654321, 1234567654321, 123456787654321, 12345678987654321, 12345679012345679012345679012345678987654320987654320987654320987654321
(list; graph; refs; listen; history; internal format)
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