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Search: id:A022509
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| A022509 |
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Describe previous term from the right (method A - initial term is 5). |
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1
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| 5, 15, 1511, 211511, 21152112, 122112152112, 122112151112212211, 2122112231151112212211, 21221122311521132221221112, 12312211321321121521132221221112
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Method A = 'frequency' followed by 'digit'-indication.
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EXAMPLE
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E.g. the term after 1511 is obtained by saying "two 1's, one 5, one 1", which gives 211511.
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CROSSREFS
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Cf. A022506, A006711, A022482, A022507-A022513.
Sequence in context: A112515 A001141 A138489 this_sequence A138074 A161846 A069937
Adjacent sequences: A022506 A022507 A022508 this_sequence A022510 A022511 A022512
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KEYWORD
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nonn,base,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from Erich Friedman (erich.friedman(AT)stetson.edu).
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