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Search: id:A078155
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| 0, 0, 0, 0, 4, 22, 80, 304, 1043, 3538, 12084
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OFFSET
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1,5
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MATHEMATICA
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Table[ Length[ Union[ Table[ Floor[w!/j], {j, 1, w!}]]] - DivisorSigma[0, w! ], {w, 1, 11}]
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CROSSREFS
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Cf. A078152, A078153, A078154, A078156, A078157 & A078158.
Sequence in context: A086863 A052149 A062966 this_sequence A096167 A060453 A038382
Adjacent sequences: A078152 A078153 A078154 this_sequence A078156 A078157 A078158
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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 27 2002
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EXTENSIONS
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Extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 02 2002
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