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A331925
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Number of compositions (ordered partitions) of n into distinct prime powers (including 1).
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0
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1, 1, 1, 3, 3, 5, 10, 11, 17, 19, 48, 49, 62, 85, 120, 258, 175, 337, 464, 631, 646, 932, 1686, 1991, 2122, 2455, 4118, 4545, 6010, 6481, 13302, 14383, 16177, 16912, 26454, 32024, 35468, 42389, 57334, 107708, 73830, 125629, 142560, 200377, 172752, 244624
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OFFSET
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0,4
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LINKS
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EXAMPLE
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a(6) = 10 because we have [5, 1], [4, 2], [3, 2, 1], [3, 1, 2], [2, 4], [2, 3, 1], [2, 1, 3], [1, 5], [1, 3, 2] and [1, 2, 3].
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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