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A061379
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Difference between n and its reversal is a perfect cube.
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2
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1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 14, 22, 25, 30, 33, 36, 41, 44, 47, 52, 55, 58, 63, 66, 69, 74, 77, 85, 88, 96, 99, 101, 111, 121, 131, 141, 151, 161, 171, 181, 191, 202, 212, 222, 232, 242, 252, 262, 272, 282, 292, 303, 313, 323, 333, 343, 353, 363, 373, 383, 393
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| 14 ~ 41 = 41 - 14 = 27 = 3^3 hence 14 and 41 are in the sequence.
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LINKS
| Harvey P. Dale, Table of n, a(n) for n = 0..1000
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FORMULA
| a(n) = k if mod ( k ~R(k)) = r^3.where R(k) is the digit reversal of k (A004086).
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MATHEMATICA
| pcQ[n_]:=Module[{rn=FromDigits[Reverse[IntegerDigits[n]]]}, IntegerQ[ Power[ Abs[n-rn], (3)^-1]]]; Select[Range[400], pcQ] (* From Harvey P. Dale, Nov 21 2011 *)
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CROSSREFS
| Sequence A061923 excludes palindromic n's.
Sequence in context: A017902 A005710 A023358 * A107322 A050761 A030721
Adjacent sequences: A061376 A061377 A061378 * A061380 A061381 A061382
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KEYWORD
| nonn,base,easy
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 02 2001
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EXTENSIONS
| Corrected and extended by Erich Friedman (efriedma(AT)stetson.edu), May 08 2001
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