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Search: id:A110726
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| A110726 |
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Absolute{n concatenate R(n)}-{ R(n) concatenate n}, R(n) = digit reversal of n. |
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+0
2
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OFFSET
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10,1
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COMMENT
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a(palindrome ) = 0. a(n) = a(R(n))
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FORMULA
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When n has two digits a(n)= 891*ABS(x-y). (Here x,y are the digits of n and ABS(n) is the absolute value of n.) - Keith Schneider, Jun 16 2007
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EXAMPLE
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a(12) = ABS(1221-2112) = 891.
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CROSSREFS
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Cf. A110722, A110723, A110724, A110725, A110727.
Sequence in context: A006915 A006916 A128871 this_sequence A124666 A125303 A087672
Adjacent sequences: A110723 A110724 A110725 this_sequence A110727 A110728 A110729
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KEYWORD
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base,easy,more,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 09 2005
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