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A047909
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Triangle of numbers arising from problem of complete increasing subsequences.
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4
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1, 1, 1, 1, 5, 1, 1, 19, 47, 1, 1, 69, 1306, 641, 1, 1, 251, 31451, 195709, 2619, 1, 1, 923, 729811, 46922016
(list; table; graph; refs; listen; history; internal format)
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