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Search: id:A127887
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| 9, 18, 27, 28, 31, 33, 36, 37, 39, 41, 43, 47, 49, 50, 54, 55, 56, 57, 59, 62, 63
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OFFSET
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1,1
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COMMENT
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These are the numbers for which allowing the choice of x/2 or 3x+1 in the "3x+1" iteration makes a difference in the minimal number of steps to reach 1.
Thus these are the n for which A006577(n) > A127885(n)
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CROSSREFS
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Sequence in context: A102042 A121282 A110529 this_sequence A037337 A119310 A037993
Adjacent sequences: A127884 A127885 A127886 this_sequence A127888 A127889 A127890
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KEYWORD
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nonn
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AUTHOR
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David Applegate (david(AT)research.att.com) and N. J. A. Sloane (njas(AT)research.att.com), Feb 04 2007
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