id:A137564 - OEIS Search Results

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The number formed by removing from n all duplicate digits except the leftmost copy of each.

+0
2

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 2, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 3, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 5, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 6, 67, 68, 69, 70, 71, 72, 73, 74 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`a(n)=n iff n is a term of A010784. a(n)<n iff n is a term of A109303.`
	EXAMPLE	`a(100)=10 as a (second) 0 digit is dropped. a(100) is the first term differing from A106612's terms: A106612(100)=100. a(1211323171)=1237.`
	CROSSREFS	`Cf. A106612, A010784, A109303.` `Sequence in context: A067453 A118541 A084905 this_sequence A106612 A056960 A103693` `Adjacent sequences: A137561 A137562 A137563 this_sequence A137565 A137566 A137567`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Jan 25 2008`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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