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A118283
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Conjectured number of numbers that are not the sum of three generalized n-gonal numbers, or -1 if infinite.
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2
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0, -1, 0, 0, 4, -1, 26, 45, 94, -1, 196, -1, 370, -1, 641, 743, 999, -1, 1537, 1429, 2619
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