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A096109
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Beginning with 1 distinct numbers. A new digit say n occurs after exhausting all possible numbers containing up to and at most n-1 digits, in increasing order (in a typical manner explained in the example) formed by already occurring digits.
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0
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1, 2, 11, 12, 21, 22, 3, 13, 31, 33, 23, 32, 111, 112, 121, 122, 113, 131, 222, 223, 232, 322, 323, 333, 4, 14, 41, 44, 24, 42, 34, 43, 124, 142
(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. Subsidiary sequences: (1) Indices of the digit n. (2) Indices of r occurrences of 1. (3) Indices of r occurrences of any digit k.
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EXAMPLE
| After 3 all numbers using 1 and 3 are placed in increasing order with digit multiplcity. 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, A096108.
Sequence in context: A125020 A065020 A136986 * A136997 A085184 A037089
Adjacent sequences: A096106 A096107 A096108 * A096110 A096111 A096112
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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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