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Search: id:A109911
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| A109911 |
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Numbers n such that A109910(n) = n; that is, the 9's complement of the digit reversal of n is n. |
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+0
2
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| 18, 27, 36, 45, 54, 63, 72, 81, 1098, 1188, 1278, 1368, 1458, 1548, 1638, 1728, 1818, 1908, 2097, 2187, 2277, 2367, 2457, 2547, 2637, 2727, 2817, 2907, 3096, 3186, 3276, 3366, 3456, 3546, 3636, 3726, 3816, 3906, 4095, 4185, 4275, 4365, 4455, 4545, 4635
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Obviously the terms have an even number of digits. a(n) = 0 mod 9.
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EXAMPLE
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1728 is a member because its digit reversal is 8271 and 1728+8271 = 9999.
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CROSSREFS
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Cf. A109910.
Sequence in context: A090064 A082804 A144777 this_sequence A065751 A038632 A138336
Adjacent sequences: A109908 A109909 A109910 this_sequence A109912 A109913 A109914
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 16 2005
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EXTENSIONS
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More terms from Erich Friedman (efriedma(AT)stetson.edu), Aug 08 2005
Corrected and edited. - David Wasserman (dwasserm(AT)earthlink.net), Oct 28 2008
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