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Search: id:A125158
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| 1, 1, 2, 1, 3, 4, 2, 1, 5, 3, 6, 4, 7, 2, 8, 1, 9, 5, 10, 11, 3, 6, 12, 13, 4, 7, 14, 2, 15, 16, 8, 1, 17, 18, 9, 19, 5, 20, 10, 21, 11, 3, 22, 6, 23, 24, 12, 25, 13, 4, 26, 27, 7, 28, 14, 2, 29, 30, 15, 31, 16, 32, 8, 1, 33, 34, 17, 35, 18, 36, 9, 37, 19, 38, 5, 39, 20, 40, 10, 41, 21, 42, 11
(list; graph; listen)
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OFFSET
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1,3
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COMMENT
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If you delete the first occurrence of each n, the remaining sequence is the original sequence; thus the sequence contains itself as a proper subsequence (infinitely many times).
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REFERENCES
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C. Kimberling, "Interspersions and fractal sequences associated with fractions (c^j)/(d^k)," preprint, 2006.
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LINKS
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C. Kimberling, Fractal Sequences.
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FORMULA
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a(n)=number of the row of array A125150 that contains n.
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EXAMPLE
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1 is in row 1 of A125150; 2 in row 1; 3 in row 2;
4 in row 1; 5 in row 3; 6 in row 4, so the fractal
sequence starts with 1,1,2,1,3,4
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CROSSREFS
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Cf. A125150.
Sequence in context: A106382 A004741 A133923 this_sequence A112384 A123390 A088208
Adjacent sequences: A125155 A125156 A125157 this_sequence A125159 A125160 A125161
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu), Nov 21 2006
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