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A347780
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Number of compositions (ordered partitions) of n into at most 5 squarefree parts.
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4
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1, 1, 2, 4, 7, 14, 26, 45, 71, 105, 151, 214, 291, 379, 473, 593, 744, 919, 1095, 1301, 1563, 1884, 2203, 2536, 2929, 3427, 3929, 4433, 4979, 5692, 6422, 7158, 7904, 8863, 9844, 10830, 11810, 13078, 14378, 15706, 17007, 18718, 20424, 22165, 23803, 26025
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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Table[Length@Flatten[Permutations/@IntegerPartitions[n, 5, Select[Range@n, SquareFreeQ]], 1], {n, 0, 45}] (* Giorgos Kalogeropoulos, Sep 13 2021 *)
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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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