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A052484 Let P = all numbers that can be obtained by permuting the digits of n and possibly adding or omitting zeros; a(n) = |n-q| where q in P is the closest number to n different different from n (a(n)=0 if no such q exists). +0
3
0, 9, 18, 27, 36, 45, 54, 63, 72, 81, 9, 90, 9, 18, 27, 36, 45, 54, 63, 72, 18, 9, 180, 9, 18, 27, 36, 45, 54, 63, 27, 18, 9, 270, 9, 18, 27, 36, 45, 54, 36, 27, 18, 9, 360, 9, 18, 27, 36, 45, 45, 36, 27, 18, 9, 450, 9, 18, 27, 36, 54, 45, 36, 27, 18, 9, 540, 9, 18, 27, 63, 36, 45, 36, 27, 18 (list; graph; listen)
OFFSET

0,2

COMMENT

Quasi-periodic.

EXAMPLE

a(1)=9 since P={1,10,100,...} and 10-1 = 9.

CROSSREFS

Cf. A052500, A052999.

Sequence in context: A108782 A114386 A044894 this_sequence A072830 A008591 A070279

Adjacent sequences: A052481 A052482 A052483 this_sequence A052485 A052486 A052487

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 18 2000

EXTENSIONS

More terms from Asher Natan Auel (auela(AT)reed.edu), May 12, 2000

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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