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A053768
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Numbers n such that sum of the first n composite numbers is a perfect square.
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1
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1, 6, 21, 80, 6982, 269563, 779693, 834365, 16176645, 19770092, 41049539, 228612936, 1950787140, 2404785364, 3095996836, 5236785750, 12482382942
(list; graph; refs; listen; history; internal format)
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