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A347797
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Number of compositions (ordered partitions) of n into at most 4 nonprime parts.
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5
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1, 1, 1, 1, 2, 2, 4, 6, 5, 10, 14, 15, 24, 21, 35, 45, 48, 65, 77, 89, 114, 129, 148, 184, 205, 239, 285, 310, 361, 410, 459, 522, 593, 636, 740, 804, 911, 969, 1123, 1169, 1350, 1428, 1595, 1687, 1926, 1974, 2270, 2325, 2611, 2726, 3064, 3120, 3547, 3596, 4012, 4155
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OFFSET
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0,5
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LINKS
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Table of n, a(n) for n=0..55.
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MATHEMATICA
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Table[Length@Flatten[Permutations/@IntegerPartitions[n, 4, Select[Range@n, !PrimeQ@#&]], 1], {n, 0, 55}] (* Giorgos Kalogeropoulos, Sep 14 2021 *)
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CROSSREFS
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Cf. A018252, A052284, A341481, A347788, A347796, A347798, A347799.
Sequence in context: A078099 A264872 A303306 * A351746 A118960 A107797
Adjacent sequences: A347794 A347795 A347796 * A347798 A347799 A347800
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KEYWORD
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nonn
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AUTHOR
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Ilya Gutkovskiy, Sep 14 2021
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STATUS
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approved
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