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Search: id:A160265
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| A160265 |
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Each of the number describes the previous number, and is described by the next number. |
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+0
1
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OFFSET
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1,2
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COMMENT
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Starting with 1, each of the rest describes the previous number in a "digit + number_of_digits" manner. The odd digits are digits that appeared in the previous term, ordered by the first appearance. The even digits are how many times that digit appeared. In case 10+ of a single digit appears, the number-group in the next term that describes this digit takes up 3+ digits (the "even digit" takes up 2+), and each of the digit is considered a single digit when described by the next term.
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CROSSREFS
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A variant of A005150. See Index entries under "Say what you see". - N. J. A. Sloane, May 10 2009
Sequence in context: A042731 A087304 A121808 this_sequence A007651 A022481 A156338
Adjacent sequences: A160262 A160263 A160264 this_sequence A160266 A160267 A160268
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KEYWORD
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nonn
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AUTHOR
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Adrian Lee (prof.adrian.lee(AT)gmail.com), May 07 2009
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