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Search: id:A164887
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| A164887 |
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a(n) = smallest number that leads to a new fixed point under the base-2 Kaprekar map of A164884 |
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+0
13
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| 0, 9, 17, 33, 35, 65, 67, 129, 131, 135, 257, 259, 263, 513, 515, 519, 527, 1025, 1027, 1031, 1039, 2049, 2051, 2055, 2063, 2079, 4097, 4099, 4103, 4111, 4127, 8193, 8195, 8199, 8207, 8223, 8255, 16385, 16387, 16391, 16399, 16415, 16447, 32769, 32771
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Note that all base-2 cycles are fixed points.
Initial terms in base 2: 0,1001,10001,100001,100011,1000001,1000011,10000001,10000011,10000111.
The corresponding fixed points appear in ascending numerical order (i.e., A163205).
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LINKS
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Joseph Myers, Table of n, a(n) for n=1..9802
Index entries for the Kaprekar map
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CROSSREFS
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Cf. A164884, A163205, A164885, A164886.
In other bases: A165009 (base 3), A165029 (base 4), A165048 (base 5), A165068 (base 6), A165087 (base 7), A165107 (base 8), A165127 (base 9), A151964 (base 10).
Sequence in context: A147459 A014004 A090994 this_sequence A111733 A127193 A146236
Adjacent sequences: A164884 A164885 A164886 this_sequence A164888 A164889 A164890
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KEYWORD
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base,nonn
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AUTHOR
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Joseph Myers (jsm(AT)polyomino.org.uk), Aug 29 2009
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EXTENSIONS
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Cross-references edited by Joseph Myers (jsm(AT)polyomino.org.uk), Sep 04 2009
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