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Look-and-say Sequence: Integer sequence, Mathematics, Run-length encoding, John Horton Conway, Transuranium element -

English
2026-04-10
€149.47 €213.53

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, the look-and-say sequence is the sequence of integers beginning as follows 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, ... (sequence A005150 in OEIS). To generate a member of the sequence from the previous member, read off the digits of the previous membe ... Full description

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, the look-and-say sequence is the sequence of integers beginning as follows 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, ... (sequence A005150 in OEIS). To generate a member of the sequence from the previous member, read off the digits of the previous member, counting the number of digits in groups of the same digit. For example 1 is read off as "one 1" or 11, 11 is read off as "two 1s" or 21, 21 is read off as "one 2, then one 1" or 1211, 1211 is read off as "one 1, then one 2, then two 1s" or 111221, 111221 is read off as "three 1s, then two 2s, then one 1" or 312211. The idea is similar to that of run-length encoding.

More Information

Publisher OmniScriptum
Release year 2026
Cover type Softcover
EAN 9786133593947
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€149.47 €213.53