id:A112384 - OEIS Search Results

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A self-descriptive fractal sequence: the sequence contains every positive integer. If the first occurrence of each integer is deleted from the sequence, the resulting sequence is the same is the original (this process may be called "upper trimming").

+0
3

1, 1, 2, 1, 3, 4, 2, 1, 5, 3, 6, 7, 8, 4, 2, 1, 9, 10, 11, 12, 5, 3, 6, 7, 13, 14, 8, 4, 15, 2, 16, 17, 18, 19, 20, 1, 9, 10, 11, 12, 21, 22, 23, 5, 3, 6, 24, 25, 26, 27, 28, 29, 7, 13, 14, 8, 4, 15, 30, 31, 32, 33, 34, 35, 36, 2, 16, 17, 18, 19, 20, 1, 37, 38, 39, 40, 41 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`This sequence describes the number of Xs that are dropped and the number of numbers written between dropped Xs (cf. A112382 and A112383).`
	CROSSREFS	`Cf. A112377, A112382, A112383.` `Sequence in context: A133923 A145034 A125158 this_sequence A123390 A162598 A088208` `Adjacent sequences: A112381 A112382 A112383 this_sequence A112385 A112386 A112387`
	KEYWORD	`nonn`
	AUTHOR	`Kerry Mitchell (lkmitch(AT)gmail.com), Dec 05 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research