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Search: id:A147761
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| A147761 |
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a(n) is the smallest positive integer m with exactly n zeros in its binary representation and with n represented in binary as a substring of the binary representation of m. |
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+0
3
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| 2, 4, 24, 16, 80, 192, 896, 256, 1152, 2560, 11264, 12288, 53248, 114688, 491520, 65536, 278528, 589824, 2490368, 2621440, 11010048, 23068672, 96468992, 50331648, 209715200, 436207616, 1811939328, 1879048192, 7784628224
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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EXAMPLE
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5 represented in binary is 101. 80 represented in binary is 1010000, which contains exactly five 0's and 101 as a substring ({101}0000). Since 80 is the smallest positive integer that satisfies the conditions, then a(5) = 80.
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CROSSREFS
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A147760, A147762
Sequence in context: A009313 A009317 A081680 this_sequence A090591 A098656 A138611
Adjacent sequences: A147758 A147759 A147760 this_sequence A147762 A147763 A147764
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KEYWORD
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base,nonn
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AUTHOR
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Leroy Quet Nov 11 2008
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EXTENSIONS
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Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 15 2008
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