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Search: id:A101211
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| A101211 |
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Triangle read by rows: n-th row is length of run of leftmost 1's, followed by length of run of 0's, followed by length of run of 1's, etc., in the binary representation of n. Row n has A005811(n) elements. |
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+0
3
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| 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 3, 1, 4, 1, 4, 1, 3, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 2, 3, 2, 2, 1, 2, 1, 1, 1, 2, 1, 2, 3, 2, 3, 1, 1, 4, 1, 5, 1, 5, 1, 4, 1, 1, 3, 1, 1, 1, 3, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 2, 2, 1
(list; graph; listen)
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OFFSET
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1,4
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EXAMPLE
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Since 9 is 1001 in binary, the 9th row is 1,2,1.
Since 11 is 1011 in binary, the 11th row is 1,1,2.
Triangle begins:
1;
1,1;
2;
1,2;
1,1,1;
2,1;
3;
1,3;
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CROSSREFS
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Sequence in context: A003647 A084217 A025903 this_sequence A081652 A029433 A088203
Adjacent sequences: A101208 A101209 A101210 this_sequence A101212 A101213 A101214
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KEYWORD
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nonn,tabf
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AUTHOR
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Leroy Quet (qq-quet(AT)mindspring.com), Dec 13 2004
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Apr 12 2005
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