id:A143825 - OEIS Search Results

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This sequence displays every positive integer exactly three times; there is one number between the first and second 1's and one number between the second and third 1's; two numbers between the first and second 2's and two numbers between the second and third 2's; ... n numbers between the first and second n's and n numbers between the second and third n's.

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

	OFFSET	`1,2`
	COMMENT	`The sequence displaying every positive integer exactly twice is A026272. Construction method: we always fill the next empty "hole" with the smallest available integer. There is no proof that this sequence could go on for ever. Terlms computed by Gilles Sadowski.`
	LINKS	`Author?, Kimberlike sequences`
	CROSSREFS	`Sequence in context: A090740 A094603 A165595 this_sequence A010602 A120731 A087477` `Adjacent sequences: A143822 A143823 A143824 this_sequence A143826 A143827 A143828`
	KEYWORD	`base,nonn`
	AUTHOR	`Eric Angelini (eric.angelini(AT)skynet.be), Sep 02 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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