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A029929
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n(n+ceiling(2^n/12)).
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0
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0, 2, 6, 12, 24, 40, 72, 126, 240, 468, 960, 2002, 4248, 9048, 19320, 41190, 87648, 185980, 393552, 830490, 1748040, 3670464, 7690056, 16078702, 33555024, 69905700, 145403232, 301990626, 626350200
(list; graph; refs; listen; history; internal format)
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