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A031142
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Position of rightmost 0 (including leading 0) in 2^n increases.
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6
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0, 4, 7, 13, 14, 18, 24, 27, 31, 34, 37, 49, 51, 67, 72, 76, 77, 81, 86, 129, 176, 229, 700, 1757, 1958, 7931, 57356, 269518, 411658, 675531, 749254, 4400728, 18894561, 33250486, 58903708, 297751737, 325226398, 781717865, 18504580518, 27893737353
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| "Positions" are counted 0,1,2,3,... starting with the least significant digit.
86 is the last n for which the rightmost zero is the leading zero.
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LINKS
| Alan Griffiths, Table of n, a(n) for n = 1..45
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CROSSREFS
| Cf. A031140, A031141, A031142, A031143.
Sequence in context: A162957 A051456 A184864 * A175091 A060751 A191201
Adjacent sequences: A031139 A031140 A031141 * A031143 A031144 A031145
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KEYWORD
| nonn,base,changed
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AUTHOR
| Matthew Cook (cook(AT)wolfram.com), Dan Hoey (Hoey(AT)aic.nrl.navy.mil), Eric Weisstein (eric(AT)weisstein.com), David W. Wilson (davidwwilson(AT)comcast.net)
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EXTENSIONS
| Added more terms to match A031140.
a(42)-a(44) from Alan Griffiths, Jan 25 2012
b-file with additional a(45) from Alan Griffiths, Feb 01 2012
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