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 A180408 Nonzero digits not used in n. 0
 123456789, 23456789, 13456789, 12456789, 12356789, 12346789, 12345789, 12345689, 12345679, 12345678, 23456789, 23456789, 3456789, 2456789, 2356789, 2346789, 2345789, 2345689, 2345679, 2345678, 13456789, 3456789, 13456789, 1456789, 1356789, 1346789, 1345789 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS FORMULA a(n) = 123456789 after removing any digits that appear in n. If n uses all digits, then a(n) = 0. EXAMPLE a(13) = 123456789 without 1 and 3 = 2456789. a(123456789) = 0 (by definition). MATHEMATICA newn[n_]:=FromDigits[Complement[Range[9], IntegerDigits[n]]]; Table[newn[i], {i, 50}] (* Harvey P. Dale, Nov 21 2010 *) CROSSREFS Sequence in context: A068247 A224780 A277057 * A050289 A204140 A288941 Adjacent sequences:  A180405 A180406 A180407 * A180409 A180410 A180411 KEYWORD easy,nonn,base AUTHOR Dominick Cancilla, Sep 02 2010 EXTENSIONS More terms from Harvey P. Dale, Nov 21 2010 STATUS approved

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Last modified November 19 00:12 EST 2018. Contains 317332 sequences. (Running on oeis4.)