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Search: id:A124660
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| A124660 |
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Sum of amplitudes defined as ((Prime[k + n] + Prime[k - n])/2) - Prime[k] for k=3,4,5,..., n=1,2,..,k-3,k-2. |
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+0
1
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| 0, 2, -1, 5, 4, 16, 17, 3, 24, 6, 9, 42, 30, 27, 10, 56, 39
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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a(9)=24 because sum of amplitudes {2, 1, 0, 1, 2, 4, 3, 5, 6}=24
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CROSSREFS
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Sequence in context: A152192 A120924 A079285 this_sequence A141485 A005605 A145882
Adjacent sequences: A124657 A124658 A124659 this_sequence A124661 A124662 A124663
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KEYWORD
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uned,sign
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Dec 23 2006
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