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Search: id:A090114
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| A090114 |
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a(n)=Product[p(n)-j, j=1..n]. |
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+0
2
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| 1, 2, 24, 360, 30240, 665280, 57657600, 1764322560, 180503769600, 47621141568000, 2180547008640000, 599555620984320000, 74931129164795904000, 4608264443634948096000, 669187660275478536192000
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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n=5: p(5)=11, a(5)=(11-1)()(11-2)(11-3)(11-4)(11-5)=10.9.8.7.6=30240
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MATHEMATICA
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Table[Apply[Times, Table[Prime[w]-j, {j, 1, w}]], {w, 1, 15}]
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CROSSREFS
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Sequence in context: A043699 A119702 A126804 this_sequence A081685 A052670 A052736
Adjacent sequences: A090111 A090112 A090113 this_sequence A090115 A090116 A090117
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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), Jan 08 2004
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