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A096108
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Beginning with 1 numbers with no repetition of digits. A new digit occurs after exhausting all possible numbers in increasing order ( in a typical manner explained in the example) formed by already occurring digits.
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1
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1, 2, 12, 21, 3, 13, 31, 23, 32, 123, 132, 213, 231, 312, 321, 4, 14, 41, 24, 42, 34, 43, 124, 142, 214, 241, 134, 143, 314, 341, 234, 243, 324, 342, 423, 432, 1234, 1243, 1324, 1342, 1423, 1432
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| The sequence is not base dependent.
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EXAMPLE
| After 3 all numbers using 1 and 3 are placed in increasing order. Then all numbers using 2 and 3 are placed in increasing order then all numbers using 1,2,3 are placed in the same fashion. And the next term is 4.
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CROSSREFS
| Cf. A000110.
Sequence in context: A145634 A145610 A185399 * A098941 A031001 A048955
Adjacent sequences: A096105 A096106 A096107 * A096109 A096110 A096111
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KEYWORD
| nonn,uned
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 27 2004
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