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A055162
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The number n has digits in ascending order and n=a-b where a has the digits of n in descending order and b has the digits of n in another order (a and b perhaps with extra zeros), ordered by a.
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6
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459, 1467, 445599, 134667, 13346667, 1245789, 123456789, 444555999, 1333466667, 123456789, 12457899, 12334566789, 133334666667, 12334566789, 1234567899, 124578999, 444455559999, 1233345666789
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listen;
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OFFSET
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1,1
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COMMENTS
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Each term of this sequence A055162(n) corresponds to A099009(n+1), with its digits being reordered in the ascending manner. [Alexander R. Povolotsky, Apr 26 2012]
All terms of this sequence are divisible by nine, yielding 51, 163, 49511, 14963, 1482963,.... [Alexander R. Povolotsky, Apr 29 2012]
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REFERENCES
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Denis Borris, Ken Duisenberg's Puzzle of the Week, April 20, 2000
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LINKS
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FORMULA
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EXAMPLE
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459 = 954 - 495.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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