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Search: id:A166935
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| A166935 |
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A positive integer n is included if the longest palindromic substring (or at least one of which that is tied for longest) in the binary representation of n consists of identically valued digits (all 0's or all 1's). |
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+0
2
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| 1, 2, 3, 4, 6, 7, 8, 12, 14, 15, 16, 23, 24, 28, 29, 30, 31, 32
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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29 in binary is 11101. There are two substrings in this that are tied for longest palindromic substring, 111 and 101. Since 111 contains only 1's, then 29 is in this sequence.
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CROSSREFS
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A166934
Sequence in context: A027206 A016027 A032900 this_sequence A114391 A077436 A082752
Adjacent sequences: A166932 A166933 A166934 this_sequence A166936 A166937 A166938
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KEYWORD
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base,more,nonn
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AUTHOR
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Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Oct 24 2009
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