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A061649
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Smallest absolute value of a remainder when the larger of n and its reverse is divided by the smaller.
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1
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 1, 6, 3, 3, 9, 4, 0, 3, 0, 9, 6, 2, 10, 9, 2, 5, 0, 5, 9, 0, 9, 17, 9, 1, 7, 15, 0, 1, 6, 9, 0, 9, 18, 20, 12, 4, 0, 6, 2, 17, 9, 0, 9, 18, 27, 23, 0, 3, 10, 9, 18, 9, 0, 9, 18, 27, 0, 3, 9, 1, 20, 18, 9, 0, 9, 18, 0, 9, 2, 7, 12, 27, 18, 9, 0, 9, 0, 4, 5, 15
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,13
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LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,1000
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EXAMPLE
| a(12)=3 since 21/12=2 with remainder -3.
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PROG
| (PARI) { for (n=0, 1000, x=n; r=0; while (x>0, d=x-10*(x\10); x\=10; r=r*10 + d); m=min(n, r); a=max(n, r)%m; write("b061649.txt", n, " ", min(a, m-a)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 25 2009]
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CROSSREFS
| Sequence in context: A076553 A199616 A173973 * A073365 A065077 A118788
Adjacent sequences: A061646 A061647 A061648 * A061650 A061651 A061652
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KEYWORD
| base,easy,nice,nonn
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AUTHOR
| Erich Friedman (efriedma(AT)stetson.edu), Jun 16 2001
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