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A011853
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[ binomial(n,7)/7 ].
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2
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0, 0, 0, 0, 0, 0, 0, 0, 1, 5, 17, 47, 113, 245, 490, 919, 1634, 2778, 4546, 7198, 11074, 16611, 24363, 35022, 49443, 68671, 93971, 126861, 169148, 222968, 290828, 375653, 480836, 610292, 768516, 960645
(list; graph; refs; listen; history; internal format)
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