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A155190
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Non-triangular numbers having a unique representation as p + t, where p is prime and t is a triangular number.
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0
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2, 4, 7, 9, 16, 25, 27, 42, 54, 61, 63, 70, 75, 87, 90, 121, 126, 129, 135, 186, 211, 246, 315, 333, 345, 396, 405, 540, 556, 690, 717, 801, 924, 960, 1080, 1863, 2376, 2826, 3900, 6210, 8316
(list; graph; refs; listen; history; internal format)
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