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Search: id:A048684
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| A048684 |
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Multiplicity of maximal square-free kernel numbers applied to C(n,k) coefficients. |
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+0
1
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| 2, 1, 2, 1, 2, 2, 2, 1, 4, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 4, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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for n=8, 9 or 10 the spectra of square-free maximal divisors are {1,2,14,14,70,14,14,2,1},{1,3,6,42,42,42,42,6,3,1} and {1,10,15,30,210,42,30,15,10,1} resp. The maxima (70,42 and 210) occur 1,4 or 4 times. So a(8)=1,a(9)=4 and a(10)=2.
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CROSSREFS
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A007947, A020233, A020738, A001221, A001222, A000005.
Sequence in context: A062362 A084113 A115751 this_sequence A109969 A085035 A083023
Adjacent sequences: A048681 A048682 A048683 this_sequence A048685 A048686 A048687
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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)
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