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Search: id:A065892
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| A065892 |
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Which composite number is n! ? |
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+0
1
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| 0, 0, 2, 14, 89, 591, 4364, 36088, 331910, 3370110, 37487843, 453695312, 5937400048, 83567800394, 1258987455069, 20216786089860
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OFFSET
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1,3
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EXAMPLE
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n = 4: 4! = 24 is the 14th composite number [in A002808]: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24.
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MATHEMATICA
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Table[n!-(PrimePi[n! ])-1, {n, 1, 12}]
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CROSSREFS
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Cf. A002808, A000142
Sequence in context: A005610 A065355 A162478 this_sequence A139183 A109113 A081959
Adjacent sequences: A065889 A065890 A065891 this_sequence A065893 A065894 A065895
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Nov 28 2001
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 29 2001
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