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Search: id:A048682
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| A048682 |
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Difference between maximal and central square-free kernel numbers dividing values of {binomial(n,k)} or A001405(n) resp. |
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+0 1
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| 0, 0, 0, 0, 0, 5, 0, 0, 0, 168, 0, 0, 0, 2145, 2860, 0, 0, 0, 0, 33592, 117572, 470288, 0, 0, 297160, 4791705, 2674440, 12900240, 28134060, 10835415, 0, 0, 0, 2074316640, 0, 0, 2524661700, 31810737420, 39384722520, 0, 0, 0, 82334307276, 1235014609140
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OFFSET
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1,6
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EXAMPLE
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n=10: the square-free kernels are :{1,10,15,30,210,42,210,30,15,10,1}. The maximal is 210 and the central one is 42. Thus a(10)=210-42=168.
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CROSSREFS
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Analogous cases for A001222, A000005 as applied to {binomial(n, k)} are given in A048623, A020740.
Sequence in context: A089877 A079074 A047754 this_sequence A099224 A136598 A105077
Adjacent sequences: A048679 A048680 A048681 this_sequence A048683 A048684 A048685
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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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