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A087396
Smallest nontrivial multiple of n with each digit occurring with the same frequency >1. By nontrivial we mean a(n) is not a concatenation of n with itself.
0
22, 44, 66, 88, 1010, 222, 1001, 1144, 333, 1100, 22, 444, 1001, 2002, 555, 2112, 1122, 666, 1881, 1100, 777, 44, 1771, 888, 1100, 1144, 999, 2772, 2233, 3300, 4433, 2112, 66, 1122, 1155, 1188, 111, 3344, 3003, 2200, 2255, 2772, 3311, 88, 4455, 4554, 1551
OFFSET
1,1
EXAMPLE
a(12) = 2112 and not 1212 ( trivial).
CROSSREFS
Sequence in context: A277051 A308125 A061832 * A248422 A071266 A038153
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 10 2003
EXTENSIONS
More terms from David Wasserman, May 31 2005
STATUS
approved